Leistner, O.A. (2005) Seed plants of southern tropical Africa: families and genera SABONET Report No. 26 SABONET, Pretoria
| Species | FZ divisions | Content |
| rosea Oliv. subsp. orbicularis (N.E. Br) Goyder | N,C | Description |
| rosea Oliv. subsp. whytei (K. Schum.) M. Mwanyambo | S | Description, Image |