Distribution: Endemic to Madagascar
Bioclimate: Dry, Subarid
Vegetation Formation: Forest
Elevation (m): 0-499
Province: Antsiranana, Mahajanga, Toliara
Protected Areas
: Analamerana, Ankarafantsika, Ankarana, Bemaraha, Beza Mahafaly, Tsingy de Namoroka
Important sites outside protected areas: Montagne des Français
Note: Of the various infra-specific taxa that have been described, the only one that may be of any actual merit is subsp. eriocalyx. The varities contained within this and subsp. dolicocalyx do not seem to hold up well. More field studies are needed to evaluate the situation presented by this taxon as a whole.
Type(s) of accepted name: GREVE 216 (HT: P)
Type(s) of syns and other voucher(s): PHILLIPSON 2253 (MO)
Updated on: 06 Nov. 2007