Research topic:yam

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yam

A Dictionary of Plant Sciences | 1998 | | © A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

yam Tubers of about 10 cultivated species of Dioscorea, most of which are tropical, but 2 of which (D. opposita and D. japonica) are cultivated in temperate regions in Asia. In the USA the name is also applied to the sweet potato (Ipomoea batatas), a somewhat similar but unrelated edible tuber. The yam bean is a name given to the seed of several species of Leguminosae (e.g. Pachyrhizus erosus and Sphenostylis stenocarpa) which also produce edible tubers.

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