Citrullus Schrad.
Annual or perennial, monoecious herbs with running or climbing, hairy stems. Rootstock not tuberous. Tendrils simple or branched. Lvs deeply pinnatifid, hairy. Fls axillary, solitary, yellow. Calyx deeply 5-lobed. Corolla deeply 5-lobed, rotate. Stamens 3; filaments and anthers free; connective not prolonged beyond loculi. ♀ fls with 3 small staminodes. Ovary with 3 placentae and many ovules; stigmas 3. Fr. fleshy, indehiscent, smooth, globose to oblong-ellipsoid; peduncle accrescent. Seeds numerous, flat and smooth, dark; margin not raised.
3 spp., Africa and probably tropical Asia. Naturalised sp. 1.
