Woody vines; tendrils opposite leaves; flowers. sometimes unisexual; leaves. generally many, cauline simple or compound, alternate, petioled, deciduous, stipules generally deciduous; infl. a cyme or panicle, generally opposite leaf, peduncled; flower radial; sepals generally reduced, generally fused, lobes 5 or 0; petals generally 5, free, reflexed and falling individually (or adherent at tips, +/- erect, and falling as a unit), reddish or yellowish; stamens generally 5, opposite petals; nectarines 0 or between stamens as +/- free glands; ovary 1, superior, chambers generally 2 (-4), style 1 or 0, stigma inconspicuous or head-like; fruit a berry; seeds 1-6, large. (Hickman Ed. 1097).