105-644: Pinus ponderosa , commonly known as the ponderosa pine , bull pine , blackjack pine , western yellow-pine , or filipinus pine , is a very large pine tree species of variable habitat native to mountainous regions of western North America . It is the most widely distributed pine species in North America. Pinus ponderosa grows in various erect forms from British Columbia southward and eastward through 16 western U.S. states and has been introduced in temperate regions of Europe and in New Zealand. It
210-520: A major regional heat wave . The record had been broken for three consecutive days with daytime highs of 108 °F (42 °C) on June 26 and 112 °F (44 °C) on June 27; the previous record of 107 °F (42 °C) was set in July 1965 and matched twice in August 1981. A temperature of 100 °F (38 °C) has been recorded in all five months from May through September. The warmest night of
315-644: A Scottish nurseryman. It was adopted as the official state tree of Montana in 1949. Pinus ponderosa is a large coniferous pine ( evergreen ) tree. The bark helps distinguish it from other species. Mature to overmature individuals have yellow to orange-red bark in broad to very broad plates with black crevices. Younger trees have blackish-brown bark, referred to as "blackjacks" by early loggers. Ponderosa pine's five subspecies , as classified by some botanists, can be identified by their characteristically bright-green needles (contrasting with blue-green needles that distinguish Jeffrey pine ). The Pacific subspecies has
420-431: A few degrees. Evening temperatures fall to or below freezing 32 nights per year on average, but very rarely below 18 °F (−8 °C). There are only 2.1 days per year where the daytime high temperature fails to rise above freezing; the mean for the lowest high is at the exact freezing point of 32 °F (0 °C). The lowest overnight temperature ever recorded was −3 °F (−19 °C), on February 2, 1950, while
525-519: A highly active volcano 50 miles (80 km) northeast of the city in Washington state, is easily visible on clear days and is close enough to have dusted the city with volcanic ash after its eruption on May 18, 1980. The rocks of the Portland area range in age from late Eocene to more recent eras. Multiple shallow, active fault lines traverse the Portland metropolitan area. Among them are
630-656: A large number of saloons, bordellos , gambling dens, and boarding houses which were populated with miners after the California Gold Rush , as well as the multitude of sailors passing through the port. By the early 20th century, the city had lost its reputation as a "sober frontier city" and garnered a reputation for being violent and dangerous. Between 1900 and 1930, the city's population tripled from nearly 100,000 to 301,815. During World War II , it housed an "assembly center" from which up to 3,676 people of Japanese descent were dispatched to internment camps in
735-564: A means to evaluate soil fertility and vigour of the trees. The bark of most pines is thick and scaly, but some species have thin, flaky bark. The branches are produced in "pseudo whorls", actually a very tight spiral but appearing like a ring of branches arising from the same point. Many pines are uninodal, producing just one such whorl of branches each year, from buds at the tip of the year's new shoot , but others are multinodal, producing two or more whorls of branches per year. Pines have four types of leaf : Pines are monoecious , having
840-588: A newspaper, the Weekly Oregonian . A major fire swept through downtown in August 1873 , destroying twenty blocks on the west side of the Willamette along Yamhill and Morrison Streets, and causing $ 1.3 million in damage, roughly equivalent to $ 33.1 million today. By 1879, the population had grown to 17,500 and by 1890 it had grown to 46,385. In 1888, the first steel bridge on the West Coast
945-429: A ponderosa. Various animals nest in the ponderosa pines, such as the piliated woodpecker . Pinus ponderosa is affected by Armillaria , Phaeolus schweinitzii , Fomes pini , Atropellis canker , dwarf mistletoe , Polyporus anceps , Verticicladiella , Elytroderma needle cast , and western gall rust . Pinus ponderosa is classed as a " wilding pine " and spreads as an invasive species throughout
1050-481: A protest to commemorate the one-year anniversary of Floyd's murder caused property damage, and was followed by a number of arrests. Portland lies on top of a dormant volcanic field known as the Boring Lava Field , named after the nearby bedroom community of Boring . The Boring Lava Field has at least 32 cinder cones such as Mount Tabor , and its center lies in southeast Portland. Mount St. Helens ,
1155-465: A sharp point. Sources differ on the scent of P. ponderosa . Some state that the bark smells of turpentine , which could reflect the dominance of terpenes (alpha- and beta-pinenes, as well as delta-3-carene). Others state that it has no distinctive scent, while still others state that the bark smells like vanilla if sampled from a furrow. Sources agree that the Jeffrey pine is more strongly scented than
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#17327866965591260-432: A single street name on a grid. For example, the 200 block north of Burnside is either NW Davis Street or NE Davis Street throughout the entire city. The six previous addressing sections of Portland, which were colloquially known as quadrants despite there being six, have developed distinctive identities, with mild cultural differences and friendly rivalries between their residents, especially between those who live east of
1365-491: A solution to treat coughs and fevers. In the 19th and 20th centuries, old-growth trees were widely used by settlers as lumber, including for railroads. Younger trees are of poor quality for lumber due to the tendency to warp. Cultivated as a bonsai , ponderosas are prized for their rough, flaky bark, contorted trunks, flexible limbs, and dramatic deadwood. Collected specimens can be wildly sculpted by their environment, resulting in beautiful twisted trunks, limbs and deadwood. In
1470-486: A time, contributing to 157 days on average with measurable (≥0.01 in or 0.25 mm) precipitation annually. Temperatures have reached 90 °F (32 °C) as early as April 30 and as late as October 5, while 80 °F (27 °C) has been reached as early as April 1 and as late as October 21. Thunderstorms are uncommon and tornadoes are very rare, although they do occur. See or edit raw graph data . Portland's cityscape derives much of its character from
1575-427: Is Mount Tabor , a volcanic landform. The 2020 census reported the city as 73.8% White (449,025 people), 8.2% Asian (52,854), 5.8% Black or African American (38,217), 0.9% Native American (7,335), 0.5% Pacific Islander (3,919), and 5.0% from two or more races (69,898). 10.3% were Hispanic or Latino, of any race (72,336). Whites not of Hispanic origin made up 68.8% of the total population. The 2010 census reported
1680-653: Is Pinus ponderosa var. washoensis . An additional variety, tentatively named P. p. var. willamettensis , found in the Willamette Valley in western Oregon, is rare. This is likely just one of the many islands of Pacific subspecies of ponderosa pine occurring in the Willamette Valley and extending north to the southeast end of Puget Sound in Washington. The subspecies of P. ponderosa can be distinguished by measurements along several dimensions: Notes Names of taxa and transition zones are on
1785-459: Is ideal for growing roses , and Portland has been called the "City of Roses" for over a century. During the prehistoric period, the land that would become Portland was flooded after the collapse of glacial dams from Lake Missoula , in what would later become Montana. These massive floods occurred during the last ice age and filled the Willamette Valley with 300 to 400 feet (91 to 122 m) of water. Before American settlers began arriving in
1890-433: Is "PDX", the airport code for Portland International Airport . Other nicknames include Bridgetown, Stumptown, Rip City, Soccer City, P-Town, Portlandia, and the more antiquated Little Beirut. From May 28, 2020, until spring 2021, there were daily protests about the murder of George Floyd by police, and racial injustice. There were instances of looting, vandalism, and police actions causing injuries. One protestor
1995-599: Is approximately 100 miles (160 km) upriver from the Pacific Ocean on the Columbia. Though much of downtown Portland is relatively flat, the foothills of the Tualatin Mountains , more commonly referred to locally as the "West Hills", pierce through the northwest and southwest reaches of the city. Council Crest Park at 1,073 feet (327 m) is often quoted as the highest point in Portland; however,
2100-624: Is characterized by the fewest needles (1.4 per whorl, on average); stout, upright branches at narrow angles from the trunk; and long green needles— 5 + 3 ⁄ 4 –7 in (14.8–17.9 cm)—extending farthest along the branch, resembling a fox tail. Needles are widest, stoutest, and fewest (averaging 2 + 1 ⁄ 4 – 2 + 3 ⁄ 4 in or 56–71 mm) for the species. The egg-shaped cones, which are often found in great number under trees, are 3–5 in (8–13 cm) long. They are purple when first chewed off by squirrels, but become more brown and spherical as they dry. Each scale has
2205-771: Is generally associated with mountainous topography. However, it is found on banks of the Niobrara River in Nebraska. Scattered stands occur in the Willamette Valley of Oregon and in the Okanagan Valley and Puget Sound areas of Washington. Stands occur throughout low level valleys in British Columbia reaching as far north as the Thompson, Fraser and Columbia watersheds. In its Northern limits, it only grows below 4,300 feet (1,300 m) elevation, but
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#17327866965592310-402: Is introduced in sapwood of P. ponderosa from the galleries of all species in the genus Dendroctonus ( mountain pine beetle ), which has caused much damage. Western pine and other beetles can be found consuming the bark. The seeds are eaten by squirrels, chipmunks, quail, grouse, and Clark's nutcracker , while mule deer browse the seedlings. American black bears can climb up to 12 feet up
2415-484: Is largely residential. Downtown district , made up of commercial businesses, museums, skyscrapers , and public landmarks represents a small area within the southwest address section. Portland's South Waterfront area has been developing into a dense neighborhood of shops, condominiums, and apartments starting in the mid-2000s. Development in this area is ongoing. The area is served by the Portland Streetcar ,
2520-645: Is most common below 2,600 feet (800 m). Ponderosa covers 1 million acres (4,000 km), or 80%, of the Black Hills of South Dakota . It is found on foothills and mid-height peaks of the northern, central, and southern Rocky Mountains , in the Cascade Range , in the Sierra Nevada , and in the maritime-influenced Coast Range . In Arizona , it predominates on the Mogollon Rim and
2625-449: Is now restricted to fir ( Abies ) and Douglas-fir ( Pseudotsuga ). Pines are gymnosperms . The genus is divided into two subgenera based on the number of fibrovascular bundles in the needle. The subgenera can be distinguished by cone, seed, and leaf characters: Phylogenetic evidence indicates that both subgenera have a very ancient divergence from one another. Each subgenus is further divided into sections and subsections. Many of
2730-536: Is scattered on the Mogollon Plateau and on mid-height peaks (6,000 to 9,300 feet; 1,800 to 2,800 m) in Arizona and New Mexico . Arizona pine ( P. arizonica ), found primarily in the mountains of extreme southwestern New Mexico, southeastern Arizona, and northern Mexico and sometimes classified as a variety of ponderosa pine, is presently recognized as a separate species. Ponderosa pine are also found in
2835-590: Is the most populous city in the U.S. state of Oregon , located in the Pacific Northwest region. Situated in the northwestern area of the state at the confluence of the Willamette and Columbia rivers, it is the county seat of Multnomah County , Oregon's most populous county. As of 2020, Portland's population was 652,503, making it the 26th-most populous city in the United States,
2940-666: Is the first new bridge to span the Willamette in Portland since the 1973 opening of the double-decker Fremont Bridge . Other bridges that span the Willamette River in the downtown area include the Burnside Bridge , the Ross Island Bridge (both built 1926), and the double-decker Marquam Bridge (built 1966). Other bridges outside the downtown area include the Sellwood Bridge (built 2016) to
3045-652: Is the largest genus of the Pinaceae , the pine family, which first appeared in the Jurassic period. Based on recent Transcriptome analysis, Pinus is most closely related to the genus Cathaya , which in turn is closely related to spruces . These genera, with firs and larches , form the pinoid clade of the Pinaceae. Pines first appeared during the Early Cretaceous, with the oldest verified fossil of
3150-707: Is the sole genus in the subfamily Pinoideae . World Flora Online accepts 187 species names of pines as current, with additional synonyms, making it the largest family among the conifers. The American Conifer Society (ACS) and the Royal Horticultural Society accept 121 species. The highest species diversity of pines is found in Mexico. Pines are widely distributed in the Northern Hemisphere ; they occupy large areas of boreal forest , but are found in many habitats, including
3255-608: Is water. Although almost all of Portland is within Multnomah County , small portions of the city are within Clackamas and Washington counties. Portland has a warm-summer Mediterranean climate ( Köppen Csb), falling just short of a hot-summer Mediterranean climate (Köppen Csa) with cool and rainy winters, and warm and dry summers. This climate is characterized by having overcast, wet, and changing weather conditions in fall, winter, and spring, as Portland lies in
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3360-576: The Chisos , Davis , and Guadalupe Mountains of Texas , at elevations between 4,000 and 8,000 feet (1,200 and 2,400 m). The fire cycle for ponderosa pine is 5 to 10 years, in which a natural ignition sparks a low-intensity fire. Low, once-a-decade fires are known to have helped specimens live for half a millennium or more. The tree has thick bark, and its buds are protected by needles, allowing even some younger individuals to survive weaker fires. In addition to being adapted to dry, fire-affected areas,
3465-491: The MAX Orange Line and four TriMet bus lines. This former industrial area sat as a brownfield prior to development in the mid-2000s. Southeast Portland is largely residential, and consists of several neighborhoods, including Hawthorne District , Belmont , Brooklyn , and Mount Tabor . Reed College , a private liberal arts college that was founded in 1908, is located within the confines of Southeast Portland as
3570-643: The Mediterranean Basin . The timber from pine trees is called "pine"; it is one of the most extensively used types of timber. There are currently 818 named cultivars (or trinomials ) recognized by the ACS. It is a well-known type of Christmas tree . Pine trees are evergreen , coniferous resinous trees (or, rarely, shrubs ) growing 3–80 metres (10–260 feet) tall, with the majority of species reaching 15–45 m (50–150 ft) tall. The smallest are Siberian dwarf pine and Potosi pinyon , and
3675-618: The Portland Hills Fault on the city's west side, and the East Bank Fault on the east side. According to a 2017 survey, several of these faults were characterized as "probably more of a hazard" than the Cascadia subduction zone due to their proximities to population centers, with the potential of producing magnitude 7 earthquakes . Notable earthquakes that have impacted the Portland area in recent history include
3780-549: The United States Forest Service and transported to Area 5 of the Nevada Test Site , where they were planted into the ground and exposed to a nuclear blast to see what the blast wave would do to a forest. The trees were partially burned and blown over. Pinus ponderosa is the official state tree of Montana. In a 1908 poll to determine the state tree, Montana schoolchildren chose the tree over
3885-700: The White Mountains of California. An older tree, now cut down, was dated at 4,900 years old. It was discovered in a grove beneath Wheeler Peak and it is now known as " Prometheus " after the Greek immortal . The spiral growth of branches, needles, and cones scales are arranged in Fibonacci number ratios. The new spring shoots are sometimes called "candles"; they are covered in brown or whitish bud scales and point upward at first, then later turn green and spread outward. These "candles" offer foresters
3990-566: The urban heat island effect. Neighborhoods outside of the downtown core, especially in slightly higher elevations near the West Hills and Mount Tabor , can experience a dusting of snow while downtown receives no accumulation at all. The city has experienced a few major snow and ice storms in its past, with extreme totals having reached 44.5 in (113 cm) at the airport in 1949–50 and 60.9 in (155 cm) at downtown in 1892–93. Summers in Portland are warm, dry, and sunny, though
4095-603: The 1800s, the land was inhabited for many centuries by two bands of indigenous Chinook people – the Multnomah and the Clackamas . The Chinook people occupying the land were first documented in 1805 by Meriwether Lewis and William Clark . Before its European settlement, the Portland Basin of the lower Columbia River and Willamette River valleys had been one of the most densely populated regions on
4200-766: The 1940s and 1950s. In 1957, Life magazine published an article detailing the city's history of government corruption and crime, specifically its gambling rackets and illegal nightclubs. The article, which focused on crime boss Jim Elkins , became the basis of a fictionalized film titled Portland Exposé (1957). In spite of the city's seedier undercurrent of criminal activity, Portland enjoyed an economic and industrial surge during World War II. Ship builder Henry J. Kaiser had been awarded contracts to build Liberty ships and aircraft carrier escorts, and chose sites in Portland and Vancouver, Washington , for work yards. During this time, Portland's population rose by over 150,000, largely attributed to recruited laborers. During
4305-436: The 1960s, it became noted for its growing liberal and progressive political values, earning it a reputation as a bastion of counterculture . The city operates with a commission-based government , guided by a mayor and four commissioners, as well as Metro , the only directly elected metropolitan planning organization in the United States. Its climate is marked by warm, dry summers and cool, rainy winters. This climate
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4410-483: The 1960s, an influx of hippie subculture began to take root in the city in the wake of San Francisco 's burgeoning countercultural scene. The city's Crystal Ballroom became a hub for the city's psychedelic culture , while food cooperatives and listener-funded media and radio stations were established. A large social activist presence evolved during this time as well, specifically concerning Native American rights , environmentalist causes, and gay rights . By
4515-474: The 1970s, Portland had well established itself as a progressive city, and experienced an economic boom for the majority of the decade; however, the slowing of the housing market in 1979 caused demand for the city and state timber industries to drop significantly. In the 1990s, the technology industry began to emerge in Portland, specifically with the establishment of companies such as Intel , which brought more than US$ 10 billion in investments in 1995 alone. In
4620-420: The 6.8-magnitude Nisqually earthquake in 2001, and a 5.6-magnitude earthquake that struck on March 25, 1993. Per a 2014 report, over 7,000 locations within the Portland area are at high risk for landslides and soil liquefaction in the event of a major earthquake, including much of the city's west side (such as Washington Park ) and sections of Clackamas County . Portland is 60 miles (97 km) east of
4725-482: The Douglas fir, American larch, and cottonwood. However, the tree was not officially named the state tree until 1949. Pinus See List of Pinus species for complete taxonomy to species level. See list of pines by region for list of species by geographic distribution . A pine is any conifer tree or shrub in the genus Pinus ( / ˈ p aɪ n ə s / ) of the family Pinaceae . Pinus
4830-665: The Indo-European base *pīt- ‘resin’ (source of English pituitary ). Before the 19th century, pines were often referred to as firs (from Old Norse fura , by way of Middle English firre ). In some European languages, Germanic cognates of the Old Norse name are still in use for pines — in Danish fyr , in Norwegian fura/fure/furu , Swedish fura/furu , Dutch vuren , and German Föhre — but in modern English, fir
4935-640: The Oregon settlement began to be populated in the 1840s, near the end of the Oregon Trail . Its water access provided convenient transportation of goods, and the timber industry was a major force in the city's early economy. At the turn of the 20th century, the city had a reputation as one of the most dangerous port cities in the world, a hub for organized crime and racketeering . After the city's economy experienced an industrial boom during World War II , its hard-edged reputation began to dissipate. Beginning in
5040-489: The Pacific Coast. Large numbers of pioneer settlers began arriving in the Willamette Valley in the 1840s via the Oregon Trail with many arriving in nearby Oregon City . A new settlement then emerged ten miles from the mouth of the Willamette River, roughly halfway between Oregon City and Hudson's Bay Company 's Fort Vancouver . This community was initially referred to as "Stumptown" and "The Clearing" because of
5145-519: The Pacific Ocean at the northern end of Oregon 's most populated region, the Willamette Valley. Downtown Portland straddles the banks of the Willamette River, which flows north through the city center and separates the city's east and west neighborhoods. Less than 10 miles (16 km) from downtown, the Willamette River flows into the Columbia River, the fourth-largest river in the United States, which divides Oregon from Washington state. Portland
5250-509: The Willamette River versus west of the river. Portland's addressing sections are North, Northwest, Northeast, South, Southeast, and Southwest (which includes downtown Portland ). The Willamette River divides the city into east and west while Burnside Street , which traverses the entire city lengthwise, divides the north and south. North Portland consists of the peninsula formed by the Willamette and Columbia Rivers, with N Williams Ave serving as its eastern boundary. All addresses and streets within
5355-478: The addition of South Portland, all six addressing sectors (N, NE, NW, S, SE and SW) are now officially known as sextants. The Pearl District in Northwest Portland , which was largely occupied by warehouses, light industry and railroad classification yards in the early to mid-20th century, now houses upscale art galleries , restaurants, and retail stores, and is one of the wealthiest neighborhoods in
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#17327866965595460-546: The agricultural Tualatin Valley via the " Great Plank Road " (the route of current-day U.S. Route 26 ), provided the pioneer city with an advantage over other nearby ports, and it grew very quickly. Portland remained the major port in the Pacific Northwest for much of the 19th century, until the 1890s, when Seattle's deepwater harbor was connected to the rest of the mainland by rail, affording an inland route without
5565-499: The cities to attract and retain the highest number of college-educated people in the United States. Between 2001 and 2012, Portland's gross domestic product per person grew by fifty percent, more than any other city in the country. The city acquired a diverse range of nicknames throughout its history, though it is most often called "Rose City" or "The City of Roses" (unofficial nickname since 1888, official since 2003). Another widely used nickname by local residents in everyday speech
5670-412: The city are prefixed by N, NW, NE, S, SW or SE with the exception of Burnside Street, which is prefixed with W or E. Starting on May 1, 2020, former Southwest prefix addresses with house numbers on east–west streets leading with zero dropped the zero and the street prefix on all streets (including north–south streets) converted from Southwest to South. For example, the current address of 246 S California St.
5775-432: The city as 76.1% White (444,254 people), 7.1% Asian (41,448), 6.3% Black or African American (36,778), 1.0% Native American (5,838), 0.5% Pacific Islander (2,919), 4.7% belonging to two or more racial groups (24,437) and 5.0% from other races (28,987). 9.4% were Hispanic or Latino, of any race (54,840). Whites not of Hispanic origin made up 72.2% of the total population. In 1940, Portland's African-American population
5880-566: The city proper, Portland has one of the largest Vietnamese populations in America per capita. According to statistics, there are over 4,500 Pacific Islanders in Portland, making up 0.7% of the city's population. There is a Tongan community in Portland, who arrived in the area in the 1970s, and Tongans and Pacific Islanders as a whole are one of the fastest-growing ethnic groups in the Portland area. Portland's population has been and remains predominantly White . In 1940, Whites were over 98% of
5985-474: The city's early establishment as being a " scion of New England ; an ends-of-the-earth home for the exiled spawn of the eastern established elite." In 1889, The Oregonian called Portland "the most filthy city in the Northern States", due to the unsanitary sewers and gutters, and, at the turn of the 20th century, it was considered one of the most dangerous port cities in the world. The city housed
6090-418: The city's population. In 2009, Portland had the fifth-highest percentage of White residents among the 40 largest U.S. metropolitan areas. A 2007 survey of the 40 largest cities in the U.S. concluded Portland's urban core has the highest percentage of White residents. Some scholars have noted the Pacific Northwest as a whole is "one of the last Caucasian bastions of the United States". While Portland's diversity
6195-728: The city. Areas further west of the Pearl District include neighborhoods known as Uptown and Nob Hill, as well as the Alphabet District and NW 23rd Ave., a major shopping street lined with clothing boutiques and other upscale retail, mixed with cafes and restaurants. Northeast Portland is home to the Lloyd District , Alberta Arts District , and the Hollywood District . North Portland is largely residential and industrial. It contains Kelley Point Park ,
6300-823: The coast, as well as the protective nature of the Oregon Coast Range to its west, Portland summers are less susceptible to the moderating influence of the nearby Pacific Ocean. Consequently, Portland occasionally experiences heat waves , with temperatures rising above 90 °F (32 °C) for a few days. However, on average, temperatures reach or exceed 80 °F (27 °C) on only 61 days per year, of which 15 days will reach 90 °F (32 °C) and only 1.3 days will reach 100 °F (38 °C). In 2018 more 90-degree days were recorded than ever before. On June 28, 2021, Portland recorded its all-time record high temperature of 116 °F (47 °C) and its warmest daily low temperature of 75 °F (24 °C) during
6405-564: The direct path of the stormy westerly flow, and warm, dry summers when the North Pacific High reaches its northernmost point in mid-summer. Portland's USDA Plant Hardiness Zone is 8b, with parts of the Downtown area falling into zone 9a. Winters are cool, cloudy, and rainy. The coldest month is December with an average daily high temperature of 46.9 °F (8.3 °C), although overnight lows usually remain above freezing by
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#17327866965596510-450: The displaced workers from the wartime settlement to neighboring Albina . There and elsewhere in Portland, they experienced police hostility, lack of employment, and mortgage discrimination , leading to half the black population leaving after the war. In the 1980s and 1990s, radical skinhead groups flourished in Portland. In 1988, Mulugeta Seraw , an Ethiopian immigrant, was killed by three skinheads. The response to his murder involved
6615-479: The east lies the actively volcanic Cascade Range . On clear days, Mt. Hood and Mt. St. Helens dominate the horizon, while Mt. Adams and Mt. Rainier can also be seen in the distance. According to the United States Census Bureau , the city has an area of 145.09 square miles (375.78 km ), of which 133.43 square miles (345.58 km ) is land and 11.66 square miles (30.20 km )
6720-562: The genus being Pinus yorkshirensis from the Hauterivian - Barremian boundary (~130-125 million years ago) from the Speeton Clay , England. The evolutionary history of the genus Pinus has been complicated by hybridization . Pines are prone to inter-specific breeding. Wind pollination, long life spans, overlapping generations, large population size, and weak reproductive isolation make breeding across species more likely. As
6825-607: The heartland. It was the first American city to have residents report thus, and the Pacific International Livestock Exposition operated from May through September 10, 1942, processing people from the city, northern Oregon, and central Washington . General John DeWitt called the city the first "Jap-free city on the West Coast." At the same time, Portland became a notorious hub for underground criminal activity and organized crime in
6930-511: The high country of New Zealand, where it is beginning to take over, causing the native species of plants not to be able to grow in those locations. It is also considered a "weed" in parts of Australia. Native Americans consumed the seeds and sweet inner bark. They chewed the dried pitch, which was also used as a salve. They used the limbs and branches as firewood and building material, and the trunks were carved into canoes. The needles and roots were made into baskets. The needles were also boiled into
7035-492: The highest point in Portland is on a section of NW Skyline Blvd just north of Willamette Stone Heritage site . The highest point east of the river is Mt. Tabor , an extinct volcanic cinder cone, which rises to 636 feet (194 m). Nearby Powell Butte and Rocky Butte rise to 614 feet (187 m) and 612 feet (187 m), respectively. To the west of the Tualatin Mountains lies the Oregon Coast Range , and to
7140-555: The lap of the West Hills , while the flatter east side extends for roughly 180 blocks until it meets the suburb of Gresham . In 1891 the cities of Portland, Albina , and East Portland were consolidated, creating inconsistent patterns of street names and addresses. It was not unusual for a street name to be duplicated in disparate areas. The "Great Renumbering" on September 2, 1931, standardized street naming patterns and divided Portland into five "general districts." It also changed house numbers from 20 per block to 100 per block and adopted
7245-482: The largest Asian ethnic group in the city, followed by Chinese (1.7%), Filipinos (0.6%), Japanese (0.5%), Koreans (0.4%), Laotians (0.4%), Hmong (0.2%), and Cambodians (0.1%). A small population of Iu Mien live in Portland. Portland has two Chinatowns, with New Chinatown in the ' Jade District ' along SE 82nd Avenue with Chinese supermarkets, Hong Kong style noodle houses, dim sum , and Vietnamese phở restaurants. With about 12,000 Vietnamese residing in
7350-404: The late 1990s, the Portland area was rated the fourth-least affordable place in the United States to purchase a new home. After 2000, Portland experienced significant growth, with a population rise of over 90,000 between the years 2000 and 2014. The city's increasing reputation for culture established it as a popular city for young people, and it was second only to Louisville, Kentucky , as one of
7455-719: The longest— 7 + 3 ⁄ 4 inches (19.8 centimetres)—and most flexible needles in plume-like fascicles of three. The Columbia ponderosa pine has long— 4 + 3 ⁄ 4 –8 in (12–20.5 cm)—and relatively flexible needles in fascicles of three. The Rocky Mountains subspecies has shorter— 3 + 1 ⁄ 2 – 5 + 3 ⁄ 4 in (9.2–14.4 cm)—and stout needles growing in scopulate (bushy, tuft-like) fascicles of two or three. The southwestern subspecies has 4 + 1 ⁄ 2 – 7 + 3 ⁄ 4 in (11.2–19.8 cm), stout needles in fascicles of three (averaging 2 + 3 ⁄ 4 – 3 + 1 ⁄ 2 in or 68.5–89 millimetres). The central High Plains subspecies
7560-451: The lowest daytime high temperature ever recorded was 14 °F (−10 °C) on December 30, 1968. The average window in which freezing temperatures may occur is between November 15 and March 19, allowing a growing season of 240 days. Annual snowfall in Portland is 4.3 inches (10.9 cm), which usually falls between December and March. The city of Portland avoids snow more frequently than its suburbs, due in part to its low elevation and
7665-507: The male and female cones on the same tree. The male cones are small, typically 1–5 cm long, and only present for a short period (usually in spring, though autumn in a few pines), falling as soon as they have shed their pollen . The female cones take 1.5–3 years (depending on species) to mature after pollination , with actual fertilization delayed one year. At maturity the female cones are 3–60 cm long. Each cone has numerous spirally arranged scales, with two seeds on each fertile scale;
7770-453: The many bridges that span the Willamette River downtown, several of which are historic landmarks, and Portland has been nicknamed "Bridgetown" for many decades as a result. Three of downtown's most heavily used bridges are more than 100 years old and are designated historic landmarks: Hawthorne Bridge (1910), Steel Bridge (1912), and Broadway Bridge (1913). Portland's newest bridge in the downtown area, Tilikum Crossing , opened in 2015 and
7875-545: The many trees cut down to allow for its growth. In 1843 William Overton saw potential in the new settlement but lacked the funds to file an official land claim. For 25 cents, Overton agreed to share half of the 640-acre (2.6 km ) site with Asa Lovejoy of Boston . In 1844, Overton sold his remaining half of the claim to Francis W. Pettygrove of Portland, Maine . Both Pettygrove and Lovejoy wished to rename "The Clearing" after their respective hometowns (Lovejoy's being Boston, and Pettygrove's, Portland). This controversy
7980-456: The map. Numbers in columns were derived from multiple measurements of samples taken from 10 (infrequently fewer) trees on a varying number of geographically dispersed plots. Numbers in each cell show calculated mean ± standard error and number of plots. Pinus ponderosa is a dominant tree in the Kuchler plant association, the ponderosa shrub forest . Like most western pines, the ponderosa
8085-433: The mountains they can be found growing in pockets in the rock, stunting their growth. The main challenge for this species in bonsai cultivation is the natural long length of its needles, which takes years of training and care to reduce. This species is grown as an ornamental plant in parks and large gardens. During Operation Upshot–Knothole in 1953, a nuclear test was performed in which 145 ponderosa pines were cut down by
8190-479: The northeast quadrant of the city continued. Portland's longshoremen racial mix was described as being "lily-white" in the 1960s when the local International Longshore and Warehouse Union declined to represent grain handlers since some were black. Racial Makeup of Portland (2022) Over two-thirds of Oregon's African-American residents live in Portland. As of the 2000 census, three of its high schools (Cleveland, Lincoln and Wilson) were over 70% White, reflecting
8295-587: The northernmost point of the city. It also contains the St. Johns neighborhood, which is historically one of the most ethnically diverse and poorest neighborhoods in the city. Old Town Chinatown is next to the Pearl District in Northwest Portland. In 1890 it was the second largest Chinese community in the United States. In 2017, the crime rate was several times above the city average. This neighborhood has been called Portland's skid row. Southwest Portland
8400-452: The overall population, while Jefferson High School was 87% non-White. The remaining six schools have a higher number of non-Whites, including Blacks and Asians. Hispanic students average from 3.3% at Wells to 31% at Roosevelt . Portland residents identifying solely as Asian Americans account for 7.1% of the population; an additional 1.8% is partially of Asian heritage. Vietnamese Americans make up 2.2% of Portland's population, and make up
8505-824: The pines have diversified, gene transfer between different species has created a complex history of genetic relatedness. P. nelsonii P. aristata P. balfouriana P. longaeva P. pinceana P. maximartinezii P. rzedowskii P. quadrifolia P. monophylla P. culminicola P. discolor P. remota P. edulis P. cembroides P. bungeana P. squamata P. gerardiana P. krempfii P. peuce P. lambertiana P. strobus P. chiapensis P. monticola P. flexilis P. strobiformis P. ayacahuite P. albicaulis P. koraiensis P. sibirica P. cembra P. parviflora P. wallichiana Portland, Oregon Portland ( / ˈ p ɔːr t l ə n d / PORT -lənd )
8610-427: The ponderosa pine previously considered the world's tallest pine tree. Modern forestry research has identified five different taxa of P. ponderosa , with differing botanical characters and adaptations to different climatic conditions. Four of these have been termed "geographic races" in forestry literature. Some botanists historically treated some races as distinct species. In modern botanical usage, they best match
8715-500: The ponderosa pine. When carved into, pitch -filled stumps emit a scent of fresh pitch. The National Register of Big Trees lists a ponderosa pine that is 235 ft (72 metres) tall and 27 ft (8.2 m) in circumference. In January 2011, a Pacific ponderosa pine in the Rogue River–Siskiyou National Forest in Oregon was measured with a laser to be 268 ft 4 in (81.79 m) high. The measurement
8820-526: The rank of subspecies and have been formally published. Distributions of the subspecies in the United States are shown in shadow on the map. Distribution of ponderosa pine is from Critchfield and Little. The closely related five-needled Arizona pine ( Pinus arizonica ) extends southward into Mexico. Before the distinctions between the North Plateau and Pacific races were fully documented, most botanists assumed that ponderosa pines in both areas were
8925-612: The rapid growth of the Ku Klux Klan , which became very influential in Oregon politics, culminating in the election of Walter M. Pierce as governor. The largest influxes of minority populations occurred during World War II, as the African American population grew by a factor of 10 for wartime work. After World War II, the Vanport flood in 1948 displaced many African Americans. As they resettled, redlining directed
9030-479: The same. In 1948, when a botanist and a geneticist from California found a distinct tree on Mt. Rose in western Nevada with some marked differences from the ponderosa pine they knew in California, they described it as a new species, Washoe pine Pinus washoensis . Subsequent research determined this to be one of the southernmost outliers of the typical North Plateau race of ponderosa pine. Its current classification
9135-453: The scales at the base and tip of the cone are small and sterile, without seeds. The seeds are mostly small and winged, and are anemophilous (wind-dispersed), but some are larger and have only a vestigial wing, and are bird -dispersed. Female cones are woody and sometimes armed to protect developing seeds from foragers. At maturity, the cones usually open to release the seeds. In some of the bird-dispersed species, for example whitebark pine ,
9240-469: The seeds are only released by the bird breaking the cones open. In others, the seeds are stored in closed cones for many years until an environmental cue triggers the cones to open, releasing the seeds. This is called serotiny . The most common form of serotiny is pyriscence, in which a resin binds the cones shut until melted by a forest fire, for example in P. rigida . The modern English name "pine" derives from Latin pinus , which some have traced to
9345-534: The sixth-most populous on the West Coast , and the second-most populous in the Pacific Northwest, after Seattle . Approximately 2.5 million people live in the Portland metropolitan area , making it the 25th-most populous in the United States. About half of Oregon's population resides within the Portland metro area. Named after Portland, Maine , which is itself named after the English Isle of Portland ,
9450-422: The smaller groups of Pinus are composed of closely related species with recent divergence and history of hybridization. This results in low morphological and genetic differences. This, coupled with low sampling and underdeveloped genetic techniques, has made taxonomy difficult to determine. Recent research using large genetic datasets has clarified these relationships into the groupings we recognize today. Pinus
9555-542: The south. It includes the Lair Hill, Johns Landing and South Waterfront districts and Lewis & Clark College as well as the Riverdale area of unincorporated Multnomah County south of the Portland city limits. In 2018, the city's Bureau of Transportation finalized a plan to transition this part of Portland into South Portland, beginning on May 1, 2020, to reduce confusion by 9-1-1 dispatchers and delivery services. With
9660-495: The south; and the St. Johns Bridge , a Gothic revival suspension bridge built in 1931, to the north. The Glenn L. Jackson Memorial Bridge and the Interstate Bridge provide access from Portland across the Columbia River into Washington state. The Willamette River, which flows north through downtown, serves as the natural boundary between East and West Portland. The denser and earlier-developed west side extends into
9765-514: The species often appears on the edges of deserts as it is comparatively drought resistant, partly due to the ability to close its leaf pores. It can also draw some of its water from sandy soils. Despite being relatively widespread in the American West, it is intolerant of shade . Pinus ponderosa needles are the only known food of the caterpillars of the gelechiid moth Chionodes retiniella . Blue stain fungus , Grosmannia clavigera ,
9870-413: The sunny warm weather is short-lived, from mid-June to early September. June, July, August and September account for a combined 4.19 inches (106 mm) of total rainfall – only 11% of the 36.91 in (938 mm) of annual precipitation. The warmest month is August, with an average high temperature of 82.3 °F (27.9 °C). Because of its inland location 62 miles (100 km) from
9975-553: The tallest is an 83.45 m (273.8 ft) tall sugar pine located in Yosemite National Park . Pines are long lived and typically reach ages of 100–1,000 years, some even more. The longest-lived is the Great Basin bristlecone pine ( P. longaeva ). One individual of this species, dubbed " Methuselah ", is one of the world's oldest living organisms at around 4,800 years old. This tree can be found in
10080-401: The treacherous navigation of the Columbia River. The city had its own Japantown, for one, and the lumber industry also became a prominent economic presence, due to the area's large population of Douglas fir , western hemlock , red cedar , and big leaf maple trees. Portland developed a reputation early in its history as a hard-edged and gritty port town . Some historians have described
10185-444: The year averages 68 °F (20 °C). Spring and fall can bring variable weather including high-pressure ridging that sends temperatures surging above 80 °F (27 °C) and cold fronts that plunge daytime temperatures into the 40s °F (4–9 °C). However, lengthy stretches of overcast days beginning in mid-fall and continuing into mid-spring are most common. Rain often falls as a light drizzle for several consecutive days at
10290-479: Was approximately 2,000 and largely consisted of railroad employees and their families. During the war-time Liberty Ship construction boom, the need for workers drew many Black people to the city. The new influx of Black people settled in specific neighborhoods, such as the Albina district and Vanport . The May 1948 flood which destroyed Vanport eliminated the only integrated neighborhood, and an influx of blacks into
10395-582: Was changed from 0246 SW California St. and the current address of 4310 S Macadam Ave. was converted from 4310 SW Macadam Ave. The new South Portland addressing section was approved by the Portland City Council on June 6, 2018 and is bounded by SW Naito Parkway , SW View Point Terrace and the Tryon Creek State Natural Area to the west, SW Clay Street to the north, the Willamette River to the east, and city limits to
10500-417: Was first documented in modern science in 1826 in eastern Washington near present-day Spokane (of which it is the official city tree). On that occasion, David Douglas misidentified it as Pinus resinosa (red pine). In 1829, Douglas concluded that he had a new pine among his specimens and coined the name Pinus ponderosa for its heavy wood. In 1836, it was formally named and described by Charles Lawson ,
10605-450: Was historically comparable to metro Seattle and Salt Lake City, those areas grew more diverse in the late 1990s and 2000s. Portland not only remains White, but migration to Portland is disproportionately White. The Oregon Territory banned African American settlement in 1849. In the 19th century, certain laws allowed the immigration of Chinese laborers but prohibited them from owning property or bringing their families. The early 1920s saw
10710-520: Was killed by an opposing one. Local businesses reported losses totaling millions of dollars as the result of vandalism and looting, according to Oregon Public Broadcasting . Some protests caused injury to protesters and police. In July, federal officers were deployed to safeguard federal property; their presence and tactics were criticized by Oregon officials, who demanded they leave, while lawsuits were filed against local and federal law enforcement alleging wrongful actions by them. On May 25, 2021,
10815-559: Was opened in Portland, the predecessor of the 1912 namesake Steel Bridge that survives today. In 1889, Henry Pittock's wife, Georgiana, established the Portland Rose Society. The movement to make Portland a "Rose City" started as the city was preparing for the 1905 Lewis and Clark Centennial Exposition . Portland's access to the Pacific Ocean via the Willamette and Columbia rivers, as well as its easy access to
10920-429: Was performed by Michael Taylor and Mario Vaden, a professional arborist from Oregon . The tree was climbed on October 13, 2011, by Ascending The Giants (a tree-climbing company in Portland, Oregon ) and directly measured with tape-line at 268 ft 3 in (81.77 m) high. As of 2015, a Pinus lambertiana specimen was measured at 273 ft 9 + 1 ⁄ 2 in (83.45 m), which surpassed
11025-544: Was settled with a coin toss that Pettygrove won in a series of two out of three tosses, thereby providing Portland with its namesake. The coin used for this decision, now known as the Portland Penny , is on display in the headquarters of the Oregon Historical Society . At the time of its incorporation on February 8, 1851, Portland had over 800 inhabitants, a steam sawmill, a log cabin hotel, and
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