Reference(s):
Status: this genus has been assessed for the following:
- Species in Fl. Madag: not published
- Accepted published species: 16 (15 endemic, 1 indigenous non-endemic)
- Estimated undescribed species: 15 endemic
- Estimated total species: 31 (30 endemic, 1 indigenous non-endemic)
- Indigenous species endemism: 97%
Additional taxonomic work: in progress
Species level data entry: not yet complete
Note: Under revision: P.P. Lowry (MO)
Updated on: 20 Feb. 2008