Ampelocissus

Perennial herbs, climbers or lianes. Tendrils usually present, arising from peduncle. Leaves simple or digitately 3-5-foliolate, margins entire or toothed; leaflets sessile or petiolate; stipules deltate, small. Flowers in dense or lax cymes or paniculate; buds subglobose. Calyx entire or obscurely 5-lobed. Corolla usually dark red; petals 5, oblong. Disc furrowed, +/- entire, clasping ovary. Stamens 5; filaments half to two-thirds as long as petals. Ovary ribbed; style conical, very short; stigma capitate. Fruit subglobose, glabrous. Seeds usually 4, flattened, ellipsoid with a strongly marked, longitudinal keel on one side and a medium furrow or pit on the other, variously rugose. x = 10 (high polyploidy).