Leaves verticillate; laminas 2–25 × 1–6 mm., lanceolate or oblanceolate, entire, acute or mucronate at apex, gradually narrowed at the base into a petiole up to 4 mm. long; margins slightly revolute when dry; petiole, midrib (at least on abaxial surface) and occasionally margins with prickly multicellular pubescence.
Many-stemmed, semi-decumbent herb, hairy when young, glabrescent with age. Stems up to 400 mm long. Leaves oblanceolate, with short petioles. Stamens 20-30. Aril less than a third the length of the seed. Flowers white.
Prostrate subsucculent shrub up to 40 cm. high, the young parts covered with spreading hairs and multicellular prickly pubescence, the older parts glabrescent; stems rather stout, sparsely branched.
Flowers white or pale mauve, in groups of 3–9 per node, most commonly 6, with pedicels lengthening to 2 cm. at the fruiting stage, usually with some hairs or prickles.
Perianth-segments 5, up to 8 mm. long, free, the outer acute, mucronate, with hairs or prickles on the back, the inner with broad membranous margins.
Seeds brown, with smooth or obtusely tuberculate ridges and a small aril.
Ovary of 3 united carpels; stigmas 3.
Staminodes 0–7, simple or 3-fid.
Fruit up to 4 mm. long.
Stamens ?.