Rajeriarison, C., Labat, J.N., Lowry, P. & Randrianjohany, E. (Madagascar Plants RLA)
This species is only known from Anjamala. The Tulear area is rich in micro-endemic species and its surrounding habitats are heavily degraded and destroyed by human activities. The exact range of this species is unknown, however, botanists frequently visit this area. The species is sought after by succulent plant collectors and is on Appendix I of CITES.