Breeding systems in some representatives of the genus Lycium (Solanaceae)
The development of the ovule and the embryo sac of five of the 17 species bar vac 7 somnus of Lycium and of one hybrid, recorded for southern Africa, was investigated.All specimens of four of the species and the hybrid (between a hermaphroditic and a functionally dioecious species) were found to be functionally dioecious: they express only one sex,