Common Name: Sweet Potato Leaves
Description 
The sweet potato or kumara (Ipomoea batatas) is a dicotyledonous plant that belongs to the family Convolvulaceae.
Its large, starchy, sweet-tasting, tuberous roots are a root vegetable. The young leaves and shoots are sometimes eaten as greens. Ipomoea batatas is native to the tropical regions in the Americas. Of the approximately 50 genera and more than 1,000 species of Convolvulaceae, I. batatas is the only crop plant  .  . . . .Read more
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Common Name: Onion
Description
The onion (Allium cepa L., from Latin cepa ‘onion’), also known as the bulb onion or common onion, is a vegetable and is the most widely cultivated species of the genus Allium.This genus also contains several other species variously referred to as onions and cultivated for food, such as the Japanese bunching onion (Allium fistulosum), the tree onion (A. xproliferum), and the Canada onion (Allium canadense). The name “wild onion” is applied to a number of Allium species, but A. cepa is exclusively known from cultivation. Its ancestral wild original form is not known, although . . . . .Read more

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Common Name: Yams
Description
Yam is the common name for some plant species in the genus Dioscorea (family Dioscoreaceae) that form edible tubers.
These are perennial herbaceous vines cultivated for the consumption of their starchy tubers in Africa, Asia, Latin America, the Caribbean and Oceania. There are many cultivars of yam. Although some varieties of sweet potato (Ipomoea batatas) are also called yam in parts of the United States and Canada, sweet potato is not part of the family Dioscoreaceae but belongs in the unrelated morning glory family Convolvulaceae. . . . .Read more

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