DIOSCOREACEAE,  Yam Family

Twining vines; leaves with broad palmately-veined blades usually cordate at base; dioecious; flowers small, greenish; carpellate flowers epigynous, in spikes; staminate flowers in panicles; perianth regular, 6-parted; fertile stamens 6 or 3; carpels 3, united; styles 3; ovary 3-loculed; fruit a 3-winged capsule; seeds flat, winged.

Dioscoreaceae