Other Name(s): yam (but this term more correctly refers to the roots of the tropical species Dioscorea and is distinctly higher in starch and less sweet.) There are two basic types of sweet potato.

and Parisacalles sp. on sweet potato, Ipomoea batatas (L.) Lam.; Premnotrypes spp. on potato, Solanum tuberosum L.; and Palaeopus dioscoreae Pierce on yam, Dioscorea spp.. Few studies have evaluated ...

Yam is the common name for some plant species in the genus Dioscorea (family Dioscoreaceae) that form edible tubers. Yams are perennial herbaceous vines cultivated for the consumption of their ...

Ube purple yam (Dioscorea alata L ... difficult to find in the United States because it is considered an invasive species.