dioecious herbs, tubers variable in shape, colour and, depth in ground. Axillary bulbils present
or absent. Leaves mostly alternate, sometimes opposite, petiolate, simple or
palmately compound, with 3-7 leaflets, nerves palmate in simple leaves and
pinnate in leaflets. Male inflorescence
: axillary, spicate, racemose or rarely cymose, flowers small, green or
rosaceous or whitish, stamens 6, sometimes inner 3 forming staminodes. Female
inflorescence : axillary, spicate, 3.5-10.0 cm long, few flowered, staminodes present or absent.
Fruit a capsule, 3-winged, dehiscent. Seeds with a membranous wing.