Shrub or climber, with or without tendrils, ± 0.4 m high. Leaves palmately 5-7-lobed, lobes acuminate and serrate; long-petioled. Male flowers in short racemes; sepals 4 or 5, linear, spreading; corolla 4-or 5-lobed, campanulate, lobes ovate-oblong, ciliate; stamens 5, arising at base of corolla tube, alternating with ellipsoid glands, filaments slightly dilated upwards, anthers oblong, cohering. Female flowers solitary; calyx rudimentary; corolla as for male; glands 5, linear, ± 3/4 length of corolla tube; ovary shortly stalked; styles 4, short, 2-lobed. Flowering time Feb.-May. Fruit 4-or 5-valved, elongate, ribbed capsule.
Herbaceous climber. Leaf blade palmately 5-7-lobed, lobes acuminate, margins serrate. Fruit an elongated ribbed capsule up to 80 mm long, several-seeded. Flowers yellowish green.
Monoecious herbaceous climber. Leaves palmately 5-7-lobed, toothed. Flowers axillary, male flowers in racemes, female flowers solitary, greenish. Fruits cylindrical.