Shrub to 1 m high. Branchlets puberulous except for glabrous decurrent leaf bases, becoming corky between them. Leaves congested, shortly petiolate, glabrous, terete to slender-clavate and 5–8 mm long or subglobular and 1.5–2 mm long, obtuse to rounded and with a small colourless to black terminal gland. Stipules black. Flowers terminal, usually solitary; pedicel fleshy, narrowly turbinate, 1–2 mm long. Sepals ovate, c. 1.5 mm long, fleshy with scarious margin, glabrous. Petals ovate, c. 6 mm long, white with prominent pink midrib, puberulous adaxially, glabrous abaxially or thinly puberulous towards margin. Stamens free; filaments linear-attenuate, sparsely ciliate to densely woolly-ciliate; anthers c. 0.5 mm long, white apiculate. Cocci 4 mm high, truncate, shortly apiculate.