Reference(s):
Status: this genus has been assessed for the following:
- Indigenous species endemism: no indigenous species
Additional taxonomic work: in progress
Species level data entry: not yet complete
Note: Currently under revision by E. Fischer (Koblenz) and M.E. Rahelivolonona (Antananarivo), numerous new species are currently in press. Within this large genus 3 groups are recognised: the spurless "Trimorphopetalum"; broad spurred "Humblotianae" and narrow-spurred "Vulgare".
Contributed/compiled by: M.E. Rahelivolonona, in collaboration with E. Fischer
Updated on: 11 Apr. 2008