One can come across this species on the gneiss and granite plateaux of Madagascar’s Central region at altitudes between 1200 and 1600 m, where it grows in full sun with Pachypodium densiflorum, Aloe capitata var. capitata, Euphorbia leucodendron ssp. leucodendron and other succulent and non- succulent plants.
It has stems 0.8-1.5 m tall and 9-13 mm across, usually erect, not twining, round or slightly angled, covered with wax and smooth or slightly rough.
The inflorescences have 10-15 greenish-yellow, cup-shaped flowers.
Pictures taken near Zazafotsy, 12th June 2017.