this article maintains the species rank of "pachypodium bicolor" because of the presence of a white throat, or the corolla tube, is consistent with the authors of the most recent book to undertake a widespread examination of "pachypodium" "in situ", or in the landscape, of continental southern africa and madagascar. furthermore, the taxonomical definition of the taxa as a species has been accepted with the public use of the taxonomical rank, "pachypodium bicolor" apparently.