A rare plant restricted to the slopes of Montagne des Francais, in Diego Suarez, northern Madagascar. A small, branching, shrubby species with thick, five sided stems to about a foot tall. The stem is marked by old leaf scars, with mottled green and brown bark and clusters of fine spines. Flowers are yellow and leaves, which emerge after flowering, are ‘paddle shaped’ and deep green.
Note: C.I.T.E.S. plant, no export.