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63-550: Kasanze was founded by the BaLunda people of Central Africa living on the border of the Kingdom of Kongo . Initially a client state of Kongo, it and first enters written record during the reign of Diogo I of Kongo in 1548. During this time it was ruled by a ManiKasanze . In 1576, Paulo Dias de Novais launched an attack into Kasanze in hopes of opening up trade routes into the interior The invasion met with initial success under

126-670: A diploid , is the closest wild relative of the sweet potato, which originated with an initial cross between a tetraploid and another diploid parent, followed by a second complete genome duplication event. The oldest radiocarbon dating remains of the sweet potato known today were discovered in caves from the Chilca Canyon, in the south-central zone of Peru , and yield an age of 8080 ± 170 BC. The genome of cultivated sweet potatoes contains sequences of DNA from Agrobacterium ( sensu lato ; specifically, one related to Rhizobium rhizogenes ), with genes actively expressed by

189-405: A root vegetable . The young shoots and leaves are sometimes eaten as greens . Cultivars of the sweet potato have been bred to bear tubers with flesh and skin of various colors. Sweet potato is only distantly related to the common potato ( Solanum tuberosum ), both being in the order Solanales . Although darker sweet potatoes are often referred to as "yams" in parts of North America, the species

252-678: A buffer between commerce of the interior and the ambitions of the Portuguese in Luanda. All the while it tapped trade in raffia cloth and ivory from the interior, which were hot commodities among the Mbundu to their south. After years of failed attempts to remove th ManiKasanje from his fortification on the Bengo River, another Portuguese assault was launched under the command of Correia de Sousa. The Portuguese surrounded and cut through much of

315-484: A common street food in winter, when street vendors with carts fitted with ovens sell them to people passing time by the Nile or the sea. The cultivars used are an orange-fleshed one as well as a white/cream-fleshed one. They are also baked at home as a snack or dessert, drenched with honey . In Ethiopia , the commonly found cultivars are black-skinned, cream-fleshed and called bitatis or mitatis . They are cultivated in

378-460: A garlic and soy sauce mixture, or simply salted before serving. They, as well as dishes featuring the sweet potato root, are commonly found at bento ( Pe̍h-ōe-jī : piān-tong ) restaurants. In northeastern Chinese cuisine , sweet potatoes are often cut into chunks and fried, before being drenched into a pan of boiling syrup. In some regions of India, sweet potato is roasted slowly over kitchen coals at night and eaten with some dressing, while

441-539: A green vegetable), but many are poisonous. The genus Ipomoea that contains the sweet potato also includes several garden flowers called morning glories , but that term is not usually extended to I. batatas . Some cultivars of I. batatas are grown as ornamental plants under the name tuberous morning glory, and used in a horticultural context. Sweet potatoes can also be called yams in North America. When soft varieties were first grown commercially there, there

504-465: A large iron drum and sold as street food during winter. In Korea, sweet potatoes, known as goguma , are roasted in a drum can, baked in foil or on an open fire, typically during winter. In Japan, a dish similar to the Korean preparation is called yaki-imo (roasted sweet potato), which typically uses either the yellow-fleshed "Japanese sweet potato" or the purple-fleshed "Okinawan sweet potato", which

567-473: A minimum of 500 mm (20 in) in the growing season. The crop is sensitive to drought at the tuber initiation stage 50–60 days after planting, and it is not tolerant to waterlogging, which may cause tuber rots and reduce the growth of storage roots if aeration is poor. Depending on the cultivar and conditions, tuberous roots mature in two to nine months. With care, early-maturing cultivars can be grown as an annual summer crop in temperate areas, such as

630-754: A powerful empire that based part of its income on the sale of slaves, both on a small and large scale. The slave trade was abandoned in the 19th century when the European slave trade ceased. Today the Lunda people comprise hundreds of subgroups such as the Akosa, Imbangala and Ndembu, and number approximately 800,000 in Angola, 1.1 million in the Congo, and 600,000 in Zambia. Most speak the Lunda language, Chilunda , except for

693-410: A shorter hem, can be lavender to purple-lavender in color, the throat is usually darker in color, but white crowns can also appear. The enclosed stamens are of unequal length with glandular filaments. The two-chamber ovary is upper constant with a relatively short stylus. Seeds are only produced from cross-pollination. The flowers open before sunrise and stay open for a few hours. They close again in

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756-592: A staple food for people in northeastern Uganda. Amukeke is mainly served for breakfast, eaten with peanut sauce. Inginyo is mixed with cassava flour and tamarind to make atapa . People eat atapa with smoked fish cooked in peanut sauce or with dried cowpea leaves cooked in peanut sauce. Emukaru (earth-baked root) is eaten as a snack anytime and is mostly served with tea or with peanut sauce. Similar uses are also found in South Sudan . The young leaves and vine tips of sweet potato leaves are widely consumed as

819-459: A variety of soils, but well-drained, light- and medium-textured soils with a pH range of 4.5–7.0 are more favorable for the plant. They can be grown in poor soils with little fertilizer. However, sweet potatoes are very sensitive to aluminium toxicity and will die about six weeks after planting if lime is not applied at planting in this type of soil. As they are sown by vine cuttings rather than seeds, sweet potatoes are relatively easy to plant. As

882-481: A vegetable in West African countries (Guinea, Sierra Leone and Liberia , for example), as well as in northeastern Uganda, East Africa. According to FAO leaflet No. 13 – 1990, sweet potato leaves and shoots are a good source of vitamins A, C, and B 2 (riboflavin), and according to research done by A. Khachatryan, are an excellent source of lutein . In Kenya , Rhoda Nungo of the home economics department of

945-518: Is 76% water, 21% carbohydrates , 2% protein , and contains negligible fat (table). In a 100 gram reference amount, baked sweet potato provides 90 calories , and rich contents (20% or more of the Daily Value , DV) of vitamin A (120% DV), vitamin C (24% DV), manganese (24% DV), and vitamin B6 (20% DV). It is a moderate source (10–19% DV) of some B vitamins and potassium . Between 50% and 90% of

1008-403: Is even more distant from the true yams , which are monocots in the order Dioscoreales . The sweet potato is native to the tropical regions of South America in what is present-day Ecuador . Of the approximately 50 genera and more than 1,000 species of Convolvulaceae, I. batatas is the only crop plant of major importance—some others are used locally (e.g., I. aquatica "kangkong" as

1071-473: Is known as beni-imo . Sweet potato soup , served during winter, consists of boiling sweet potato in water with rock sugar and ginger. In Fujian cuisine and Taiwanese cuisine , sweet potato is often cooked with rice to make congee. Steamed and dried sweet potato is a delicacy from Liancheng County . Sweet potato greens are a common side dish in Taiwanese cuisine, often boiled or sautéed and served with

1134-866: Is now the Democratic Republic of the Congo along the Kalanyi River and formed the Kingdom of Lunda in the 17th century under their ruler, Mwata Yamvo or Mwaant Yav , with their capital at Musumba . From there they spread widely through Katanga and into Eastern Angola , north-western Zambia (the Kanongesha-Lunda and the Ishindi-Lunda , Gabon , Republic of Congo ) and the Luapula valley of Zambia (the Eastern Lunda or Kazembe-Lunda ). The Lunda were allied to

1197-698: Is present-day Ecuador . The domestication of sweet potato occurred in either Central or South America. In Central America, domesticated sweet potatoes were present at least 5,000 years ago, with the origin of I. batatas possibly between the Yucatán Peninsula of Mexico and the mouth of the Orinoco River in Venezuela . The cultigen was most likely spread by local people to the Caribbean and South America by 2500 BCE. I. trifida ,

1260-537: Is sufficient water to support their growth. Sweet potatoes became common as a food crop in the islands of the Pacific Ocean, South India, Uganda and other African countries. A cultivar of the sweet potato called the boniato is grown in the Caribbean ; its flesh is cream-colored, unlike the more common orange hue seen in other cultivars. Boniatos are not as sweet and moist as other sweet potatoes, but their consistency and delicate flavor are different from

1323-831: The Columbian exchange . It is recorded, for example, in Elinor Fettiplace's Receipt Book , compiled in England in 1604. Sweet potatoes were first introduced to the Philippines during the Spanish colonial period (1521–1898) via the Manila galleons , along with other New World crops . It was introduced to the Fujian of China in about 1594 from Luzon , in response to a major crop failure. The growing of sweet potatoes

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1386-680: The Luba , and their migrations and conquests spawned a number of tribes such as the Luvale of the upper Zambezi and the Kasanje on the upper Kwango River of Angola. The Lunda people's heartland was rich in the natural resources of rivers, lakes, forests and savannah. Its people were fishermen and farmers, and they prospered. They grew maize , millet , yams , sorghum , squash , beans , sweet potatoes , oil palms and tobacco , and were palm wine drinkers. Their traders came into contact with

1449-546: The Mbundu . This provoked a war between the kingdoms Ndongo and Lunda. After the defeat of the Ndongo, Lunda people based their diet on the cows and pigs they had stolen from kingdom of Ndongo, while their income was based on the sale of Mbundu prisoners to Portuguese merchants. They subsequently became sedentary, migrated to other regions, developed a family system typical of most societies (they married and had children) and became

1512-546: The Ministry of Agriculture has written a guide to using sweet potatoes in modern recipes. This includes uses both in the mashed form and as flour from the dried tubers to replace part of the wheat flour and sugar in baked products such as cakes, chapatis, mandazis, bread, buns and cookies. A nutritious juice drink is made from the orange-fleshed cultivars, and deep-fried snacks are also included. In Egypt , sweet potato tubers are known as batata ( بطاطا ‎ ) and are

1575-605: The Māori varieties bore elongated tubers with white skin and a whitish flesh, which points to pre-European cross-Pacific travel. Known as kumara (from the Māori language kūmara ), the most common cultivar now is the red 'Owairaka', but orange ('Beauregard'), gold, purple and other cultivars are also grown. The plant does not tolerate frost . It grows best at an average temperature of 24 °C (75 °F), with abundant sunshine and warm nights. Annual rainfalls of 750–1,000 mm (30–39 in) are considered most suitable, with

1638-586: The Portuguese , and Arab and Swahili traders of East Africa . They played a large role in the slave and ivory trade that moved goods and people from central Africa to the coasts for export. The people of the Lunda Kingdom believed in Nzambi or Nzamb Katang as a Supreme Creator of the world who created everything of existence on earth. Their religion did not address Nzambi directly, but through

1701-577: The Tokugawa bakufu sponsored, published, and disseminated a vernacular Japanese translation of his research monograph on sweet potatoes to encourage their growth more broadly. Sweet potatoes were planted in Shōgun Tokugawa Yoshimune 's private garden. It was first introduced to Korea in 1764. Kang P'il-ri and Yi Kwang-ryŏ embarked on a project to grow sweet potatoes in Seoul in 1766, using

1764-772: The Zenú , a people inhabiting the Pacific coast of present-day Colombia , indicating that Polynesians could have visited South America and taken sweet potatoes prior to European contact. Dutch linguists and specialists in Amerindian languages Willem Adelaar and Pieter Muysken have suggested that the word for sweet potato is shared by Polynesian languages and languages of South America: Proto-Polynesian * kumala (compare Rapa Nui kumara , Hawaiian ʻuala , Māori kūmara ) may be connected with Quechua and Aymara k'umar ~ k'umara . Adelaar and Muysken assert that

1827-464: The monocot family Dioscoreaceae . A different crop plant, the oca ( Oxalis tuberosa , a species of wood sorrel), is called a "yam" in many parts of the world. Although the sweet potato is not closely related botanically to the common potato, they have a shared etymology. The first Europeans to taste sweet potatoes were members of Christopher Columbus 's expedition in 1492. Later explorers found many cultivars under an assortment of local names, but

1890-684: The Americas, sweet potato was grown in Polynesia , generally spread by vine cuttings rather than by seeds. Sweet potato has been radiocarbon-dated in the Cook Islands to 1210–1400 CE. A common hypothesis is that a vine cutting was brought to central Polynesia by Polynesians who had traveled to South America and back, and spread from there across Polynesia to Easter Island, Hawaii and New Zealand. Genetic similarities have been found between Polynesian peoples and indigenous Americans including

1953-539: The Eastern United States and China. Sweet potatoes rarely flower when the daylight is longer than 11 hours, as is normal outside of the tropics. They are mostly propagated by stem or root cuttings or by adventitious shoots called "slips" that grow out from the tuberous roots during storage. True seeds are used for breeding only. They grow well in many farming conditions and have few natural enemies; pesticides are rarely needed. Sweet potatoes are grown on

Kasanze Kingdom - Misplaced Pages Continue

2016-681: The Kazembe-Lunda who have adopted the Bemba language of their neighbours. Some of the information is based on the German Misplaced Pages article on the Lunda (Königreich) , which gives two sources: Sweet potato The sweet potato or sweetpotato ( Ipomoea batatas ) is a dicotyledonous plant that belongs to the bindweed or morning glory family, Convolvulaceae . Its large, starchy , sweet-tasting tuberous roots are used as

2079-617: The Polynesian name kumara and its regional Oceanic cognates ( kumala , umala , ʻuala , etc. ), which has led some scholars to suspect an instance of pre-Columbian trans-oceanic contact . This theory is also supported by genetic evidence. In Australia, about 90% of production is devoted to the orange cultivar 'Beauregard', which was originally developed by the Louisiana Agricultural Experiment Station in 1981. In New Zealand,

2142-770: The common orange-colored sweet potato. Sweet potatoes have been a part of the diet in the U.S. for most of its history, especially in the Southeast. The average per capita consumption of sweet potatoes in the United States is only about 1.5–2 kg (3.3–4.4 lb) per year, down from 13 kg (29 lb) in 1920. "Orange sweet potatoes (the most common type encountered in the US) received higher appearance liking scores compared with yellow or purple cultivars." Purple and yellow sweet potatoes were not as well liked by consumers compared to orange sweet potatoes "possibly because of

2205-512: The easier way in the south is simply boiling or pressure cooking before peeling, cubing and seasoning for a vegetable dish as part of the meal. In the Indian state of Tamil Nadu, it is known as sakkara valli kilangu . It is boiled and consumed as evening snack. In some parts of India, fresh sweet potato is chipped, dried and then ground into flour; this is then mixed with wheat flour and baked into chapatti (bread). Between 15 and 20 percent of

2268-548: The eastern and southern lower highlands and harvested during the rainy season (June/July). In recent years, better yielding orange-fleshed cultivars were released for cultivation by Haramaya University as a less sugary sweet potato with higher vitamin A content. Sweet potatoes are widely eaten boiled as a favored snack. In South Africa, sweet potatoes are often eaten as a side dish such as soetpatats . In East Asia, roasted sweet potatoes are popular street food . In China, sweet potatoes, typically yellow cultivars, are baked in

2331-669: The familiarity of orange color that is associated with sweet potatoes." In the Southeastern U.S., sweet potatoes are traditionally cured to improve storage , flavor, and nutrition, and to allow wounds on the periderm of the harvested root to heal. Proper curing requires drying the freshly dug roots on the ground for two to three hours, then storage at 29–32 °C (85–90 °F) with 90 to 95% relative humidity from five to fourteen days. Cured sweet potatoes can keep for thirteen months when stored at 13–15 °C (55–59 °F) with >90% relative humidity. Colder temperatures injure

2394-401: The foliage that had protected the state, eventually capturing the king and sending many of his nobles to Brazil as slaves. The king was executed by having his throat slit on the orders of de Sousa himself. Once the Portuguese crown learned of de Sousa's excesses, they took action to weaken the autonomy of all Luanda governors. By 1641, a descendant of the dead king, the panji a ndona , rallied

2457-411: The ground and form adventitious roots at the nodes . The leaves are screwed along the stems. The leaf stalk is 13 to 51 centimetres (5 to 20 inches) long. The leaf blades are very variable, 5 to 13 cm (2 to 5 in) long, the shape is heart-, kidney- to egg-shaped, rounded or triangular and spear-shaped, the edge can be entire, toothed or often three to seven times lobed, cut or divided. Most of

2520-460: The knowledge of Japanese cultivators they learned in Tongnae starting in 1764. The project succeeded for a year but ultimately failed in winter 1767 after Kang's unexpected death. Although the soft, orange sweet potato is often called a " yam " in parts of North America, the sweet potato is very distinct from the botanical yam ( Dioscorea ), which has a cosmopolitan distribution, and belongs to

2583-485: The lack of a /p/ sound in Arabic, while the sweet potato was called batata ḥilwa ( بطاطا حلوة ‎ ); literally ('sweet potato'). The Arabic batata was loaned into Hebrew as designating the sweet potato only, as Hebrew had its own word for the common potato, תפוח אדמה ‎ ( tapuakh adama , literally 'earth apple'; compare French pomme de terre ). Some organizations and researchers advocate for

Kasanze Kingdom - Misplaced Pages Continue

2646-454: The leadership of Lieutenant João Castanho Veles. After the engagement, the men became careless during their return march to Luanda. Kasanze launched a surprise attack on the Portuguese force that caused the invaders severe losses. Despite later efforts to mend fences (and open trade) Kasanze remained hostile to Portuguese overtures and a wall toward further penetration east. Kasanze became completely autonomous of Kongo by 1600. It continued to be

2709-440: The leaf axils and stand upright. It produces flowers when the day is short . The small sepals are elongated and tapering to a point and spiky and (rarely only 7) 10 to 15 millimetres ( 3 ⁄ 8 to 5 ⁄ 8  in) long, usually finely haired or ciliate . The inner three are a little longer. The 4 to 7 cm ( 1 + 1 ⁄ 2 to 2 + 3 ⁄ 4  in) long, overgrown and funnel-shaped, folded crown, with

2772-587: The leaf surfaces are bare, rarely hairy, and the tip is rounded to pointed. The leaves are mostly green in color, but the accumulation of anthocyanins , especially along the leaf veins, can make them purple. Depending on the variety, the total length of a stem can be between 0.5 and 4 metres ( 1 + 1 ⁄ 2 and 13 feet). Some cultivars also form shoots up to 16 m (52 ft) in length. However, these do not form underground storage organs. The hermaphrodite , five-fold and short-stalked flowers are single or few in stalked, zymous inflorescences that arise from

2835-509: The morning and begin to wither. The edible tuberous root is long and tapered, with a smooth skin whose color ranges between yellow, orange, red, brown, purple, and beige. Its flesh ranges from beige through white, red, pink, violet, yellow, orange, and purple. Sweet potato cultivars with white or pale yellow flesh are less sweet and moist than those with red, pink or orange flesh. The sweet potato originates in South America in what

2898-452: The most common cooking methods. Also, the use in vegetable tempura is common. Daigaku-imo ( ja:大学芋 ) is a baked and caramel-syruped sweet potato dessert. As it is sweet and starchy, it is used in imo-kinton and some other traditional sweets , such as ofukuimo . What is commonly called "sweet potato" ( ja:スイートポテト ) in Japan is a cake made by baking mashed sweet potatoes. Shōchū ,

2961-639: The name which stayed was the indigenous Taíno name of batata . The Spanish combined this with the Quechua word for potato, papa , to create the word patata for the common potato. Though the sweet potato is also called batata ( בטטה ‎ ) in Hebrew , this is not a direct loan of the Taíno word. Rather, the Spanish patata was loaned into Arabic as batata ( بطاطا ‎ ), owing to

3024-493: The new governor, made destroying Kasanze his first priority. He sent a force under Diogo Gomes de Sampaio including the Imbangala chief Kabuka ka Ndonga to face panji a ndona's forces. The Portuguese force was victorious. Panji a Ndona fled north but was overwhelmed by Portuguese ammunition, surrendering in 1649. BaLunda The Lunda ( Balunda , Luunda , Ruund ) are a Bantu ethnic group that originated in what

3087-420: The plants. The T-DNA transgenes were not observed in closely related wild relatives of the sweet potato. Studies indicated that the sweet potato genome evolved over millennia , with eventual domestication of the crop taking advantage of natural genetic modifications. These observations make sweet potatoes the first known example of a naturally transgenic food crop. Before the arrival of Europeans to

3150-520: The rapidly growing vines shade out weeds, little weeding is needed. A commonly used herbicide to rid the soil of any unwelcome plants that may interfere with growth is DCPA , also known as Dacthal. In the tropics, the crop can be maintained in the ground and harvested as needed for market or home consumption. In temperate regions, sweet potatoes are most often grown on larger farms and are harvested before first frosts. Sweet potatoes are cultivated throughout tropical and warm temperate regions wherever there

3213-967: The relative performance of sweet potato (in column) to other staple foods on a dry weight basis to account for their different water contents. While sweet potato provides less edible energy and protein per unit weight than cereals, it has higher nutrient density than cereals. According to a study by the United Nations Food and Agriculture Organization , sweet potatoes are the most efficient staple food to grow in terms of farmland, yielding approximately 70,000 kcal per hectare (28,000/acre) / day. raw yellow dent corn raw unenriched long-grain white rice raw hard red winter wheat raw potato with flesh and skin raw cassava raw green soybeans raw sweet potato raw sorghum raw yam raw plantains unofficial The starchy tuberous roots of

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3276-574: The remnants to reestablish the state. The panji a ndona was even less trusting of Europeans than his predecessor attacking any white coming to close to his nsaka or redoubt, despite being in alliance with the Dutch. Kasanze had managed to become a thorn to both the Portuguese and Dutch. As part of Portuguese capitulation after the Dutch seizure of Luanda, the Portuguese were tasked with dealing with Kasanze. The Portuguese were unsuccessful until 1648, after retaking Luanda. Salvador Correia de Sá e Benevides ,

3339-583: The roots. In 2020, global production of sweet potatoes was 89 million tonnes , led by China with 55% of the world total (table). Secondary producers were Malawi , Tanzania , and Nigeria . Sweet potato suffers from Sweet potato chlorotic stunt virus (a Crinivirus ). In synergy with other any of a large number of other viruses, Untiveros et al., 2007 finds SPCSV produces an even more severe symptomology . I. batatas suffers from several Phytophthora s including P. carotovorum , P. odoriferum , and P. wasabiae . Cooked sweet potato (baked in skin)

3402-613: The similarity in the word for sweet potato is proof of either incidental contact or sporadic contact between the Central Andes and Polynesia. Some researchers, citing divergence time estimates, suggest that sweet potatoes might have been present in Polynesia thousands of years before humans arrived there. However, the present scholarly consensus favours the pre-Columbian contact model. The sweet potato arrived in Europe with

3465-480: The spirits of their ancestors. Their kings had twenty to thirty wives. The Lunda captured adolescents from the peoples they defeated. These teenagers were turned into slaves and wore an iron necklace to symbolise their status. The slaves would only shed the collar when they had shown the king the severed head of one of the kingdom's enemies. After this, these former slaves were to be incorporated into Lunda society. After 1608 Lunda people launched several attacks against

3528-546: The styling of the name as one word— sweetpotato —instead of two, to emphasize the plant's genetic uniqueness from both common potatoes and yams and to avoid confusion of it being classified as a type of common potato. In its current usage in American English , the styling of the name as two words is still preferred. In Argentina , Colombia , Venezuela , Puerto Rico , and the Dominican Republic ,

3591-585: The sugar content is sucrose . Maltose content is very low, but baking can increase the maltose content from between 10% and 20%. Sweet potato cultivars with dark orange flesh have more beta-carotene (converted to a higher vitamin A content once digested) than those with light-colored flesh, and their increased cultivation is being encouraged in Africa where vitamin A deficiency is a serious health problem. Sweet potato leaves are edible and can be prepared like spinach or turnip greens. The table below presents

3654-658: The sweet potato are by far the most important product of the plant. In some tropical areas, the tubers are a staple food crop . The tuber is often cooked before consumption as this increases its nutrition and digestibility, although the American colonists in the Southeast ate raw sweet potatoes as a staple food. The vines' tips and young leaves are edible as a green vegetable with a characteristic flavor. Older growths may be used as animal fodder . Amukeke (sun-dried slices of root) and inginyo (sun-dried crushed root) are

3717-529: The sweet potato harvest is converted by some Indian communities into pickles and snack chips. A part of the tuber harvest is used in India as cattle fodder. In Pakistan , sweet potato is known as shakarqandi and is cooked as a vegetable dish and also with meat dishes ( chicken , mutton or beef). The ash-roasted sweet potatoes are sold as a snack and street food in Pakistani bazaars especially during

3780-716: The sweet potato is called batata . In Brazil, the sweet potato is called batata doce . In Mexico, Bolivia , Peru , Chile, Central America, and the Philippines , the sweet potato is known as camote (alternatively spelled kamote in the Philippines), derived from the Nahuatl word camotli . In Peru and Bolivia , the general word in Quechua for the sweet potato is apichu , but there are variants used such as khumara , kumar ( Ayacucho Quechua ), and kumara (Bolivian Quechua), strikingly similar to

3843-686: The winter months. In Sri Lanka, it is called bathala , and tubers are used mainly for breakfast (boiled sweet potato is commonly served with sambal or grated coconut) or as a supplementary curry dish for rice. The tubers of this plant, known as kattala in Dhivehi , have been used in the traditional diet of the Maldives . The leaves were finely chopped and used in dishes such as mas huni . In Japan , both sweet potatoes (called satsuma-imo ) and true purple yams (called daijo or beni-imo ) are grown. Boiling, roasting and steaming are

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3906-464: Was a need to differentiate between the two. Enslaved Africans had already been calling the 'soft' sweet potatoes 'yams' because they resembled the unrelated yams in Africa. Thus, 'soft' sweet potatoes were referred to as 'yams' to distinguish them from the 'firm' varieties. The plant is a herbaceous perennial vine , bearing alternate triangle-shaped or palmately lobed leaves and medium-sized sympetalous flowers . The stems are usually crawling on

3969-598: Was encouraged by the Governor Chin Hsüeh-tseng (Jin Xuezeng). Sweet potatoes were also introduced to the Ryukyu Kingdom , present-day Okinawa , Japan, in the early 1600s by the Portuguese . Sweet potatoes became a staple in Japan because they were important in preventing famine when rice harvests were poor. Aoki Konyō helped popularize the cultivation of the sweet potato in Japan, and

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