| Worldwide: 53 species in Tropical and South Africa. Burundi: 10 taxa. | No image yet | 
| Species | Content | |
| arbonnieri (Geerinck) Eb.Fisch., Killmann, J.-P.Le [NrEnd] | ||
| bilobatum (Summerh.) Szlach. & Olszewski | ||
| brachyceras (Summerh.) Farminhão & Stévart | ||
| burttii (Summerh.) Summerh. | ||
| kamerunense (Schltr.) Garay | ||
| ovale (Summerh.) Garay [NrEnd] | ||
| pulchellum (Summerh.) Garay | ||
| pulchellum (Summerh.) Garay var. pulchellum | ||
| rutilum (Rchb.f.) Schltr. | Description, Image | |
| ugandense (Rendle) Garay |