Recently
described during the course of the taxonomic
revisions, it was known from only 2 collections
from 1967.University of Antananarivo students conducting D.E.A.
thesis research rediscovered
the species in 3 tiny fragments on
the SW edge of the Tampoketsa d’Ankazobe
and have transplanted seedlings to the
Parc Botanique et Zoologique de Tsimbazaza.