Ipomoea batatas

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Ipomoea batatas (L.) Lam.

alt=Description de l'image Ipomoea batatasL ja01.jpg.
Ordre Solanales
Famille Convolvulaceae
Genre Ipomoea

2n = 4x = 60 ; 6x = 90

Origine : aire d'origine

sauvage ou cultivé

Français patate douce
Anglais sweet potato

Résumé des usages
  • tubercule consommé comme féculent
  • tubercules sucrés consommés en dessert
  • feuilles et jeunes tiges consommées comme légume
  • aliment du bétail
  • cultivars pourpres sources de colorant


Noms populaires

français patate douce
anglais sweet potato ; yam (sud des États-Unis)
allemand Batate, Süßkartoffel
néerlandais bataat, zoete aardappel
italien batata, patata americana
espagnol batata, boniato, moniato, camote (Mexique, Andes), aje (Cuba)
portugais batata doce
chinois fān shǔ, gān shǔ
japonais satsuma-imo
Philippines kamote, kamuti (PROSEA)
Indonésie ubi jalar (général), ketela rambat (javanais), huwi boled (sundanais) (PROSEA)
Malaysia ubi keladi, ubi keladek (PROSEA)
Papouasie-Nouvelle-Guinée kaukau (pidgin), kaema (motu) (PROSEA)
Thaïlande man-thet (PROSEA)
Vietnam khoai lang (PROSEA)
Laos man kè:w (PROSEA)
Cambodge dâmlô:ng chvië (PROSEA)
Birmanie myonk-ni (PROSEA)


Ipomoea batatas (L.) Lam. (1793)

basionyme :

  • Convolvulus batatas L. (1753)




Everywhere in the tropics and subtropics grown for its sweetish tubers eaten cooked or roasted as main dish or processed for starch and alcohol. It is an important staple food with many local selections and cultivars which show a great diversity of tuber form, tuber colour, flesh colour, time to harvest, and of nearly all morphological characters of shoots, leaves, and flowers. Trypsin inhibitor activities seem useful to establish cultivar groups. The leafy shoots are also eaten as vegetable and are used for a broad array of different medicinal purposes. It is also an excellent contention feed for livestock at milking time. Known from early times of Spanish explorers. The exact area of domestication (Mexico, early datings from 4.500 BC, or semi-arid lowlands east of the Andes, archeological proofs from Peru 8.000-10.000 BP but without evidence of cultivation) remains as uncertain as ever. The great majority of sweet potatoes are hexaploids and possibly arose by sexual polyploidisation from wild tetraploid sweet potatoes. Hexaploid forms of I. trifida (Kunth) G. Don are still very controversely discussed either as possible wild progenitor or as secondarily evolved weed. They were successfully used in breeding programs for disease resistance. It was brought by Portuguese to West and East Africa, India and Java ("batatas line") before the end of 17th cent., by Spaniards across the Pacific to the Philippines ("kamote line") in 16th cent., reaching China (end of 16th cent.) and Japan from there. Its spread into Polynesia, Micronesia and Melanesia ("kumara line") is also still controversial discussed whether it happened in prehistoric time or in the 8th cent. AD, and whether by natural or by human transport.



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