| | + | Ipomoea batatas, Poir. (Batatas edulis, Choisy). Sweet Potato. Lvs. ovate-cordate, usually angular or lobed, variable, petioled: peduncles equaling or exceeding the petioles, several-fld.; corolla 1-2 in. wide. Origin probably from I. fastigiata of Trop. Amer. (I. platanifolia. R. & S.).—Largely cult, in many varieties for its edible tubers. See Sweet Potato. |