In a family full of peculiar plants, this species stands out because of its rod-like branches.
It grows into a tree or shrub 2-8 m tall with ascending branches, (which are the main assimilation organs for this species). The branches are purplish-grey to grey-green in colour and covered with small black conical spines up to 3 mm. long.
The fleshy, dark green leaves are simple and alternate, very small (5-10 mm long and 2-3 mm in diameter), and short-lived.
The whitish flowers are produced in small compact inflorescences near the tips of the stems.
Occurring in Southwest Madagascar between Ampanihy and Amboasary.
