scandent herbs. Leaves 5-7 lobed, often gland-dotted. Tendrils bi- or
multi-fid. Flowers yellow, monoecious, rarely dioecious. Male flowers: in
racemes, calyx tube campanulate or turbinate, lobes 5, corolla lobes 5, free,
spreading, stamens mostly 3, inserted at calyx tube, anthers exserted, oblong
or dilated, one 1-locular, others 2-locular or all unilocular when stamens 5.
Female flowers: solitary, calyx and corolla as in male, staminodes 3, rarely 4
- 5, ovary angular or cylindric with 3-placentas, style columnar, stigmas 3,
bilobed. Fruits oblong or cylindric, smooth or echinate. Seeds numerous,