M.A. Garcia, S. Demissew, & M. Thulin (2006) 3: 221-258
Plants shrubs or shrublets, unisexual, the species dioecious. Leaves solitary or clustered on short shoots. Inflorescences of 1-4 flowers. Staminate flowers subsessile to pedicellate; sepals 4-5, subequal or equal, usually 2 outer peals larger than the others; corollas whitish, cream, or greenish yellow, tubular, 4-5-lobed; stamens 4-5, 2 longer than the others; pistillodes present, with 2 styles, each with a branched stigma; pistillate flowers pedicellate; sepals 4-5, unequal, the 2-3 outer sepals larger than the inner ones; corollas as in staminate flowers; staminodes 4-5, 2 longer than than the others; ovaries 2-celled, with 2 ovules per cell; styles 2, shorter than in staminate flowers, each with a branched stigma. Fruiting calyces with 2or 3 outer segmentsenlarged, sometimes fused and adnate to 1-10 mm to the pedicel; capsules ovoid to globose, 4-valved, glabrous, with 1-4 seeds; seeds trigonous-ovoid, finely reticulate.
Hildebrandtia includes about 10 species, 8 in tropical Africa and Arabia, 2 in Madagascar.
Note: GBIF records include introduced and cultivated plants. Consequently, the distribution shown often differs from statements about a taxon's native distribution.