Keraudren-Aymonin, M. (1975) Cucurbitaceae Flore d'Afrique Centrale Jardin Botanique National de Belgique, Bruxelles
Description of the genus
Prostrate or climbing, monoecious or dioecious, herbs. Flowers white, cream, yellow or orange. Male flowers often with a prominent bract. Petals 5, free. Stamens 3, two 2-thecous, one 1-thecous or less often 2, one 3-thecous and the other 2-thecous. Female flowers solitary. Stigma 3-lobed. Fruit tuberculate, spiny, winged or ribbed, rarely smooth.