Herb, perennial, small, glabrous, apparently dioecious, bushy, 10–20 cm high and 10–30 cm across. Stems prostrate or ascending. Leaves along stems more clustered on short branchlets; stipules with numerous long marginal cilia often tipped with a dark brown gland; lamina linear, 6–12 mm long, 0.8–1 mm wide; base tapered to petiole; margins entire, revolute usually to midrib; apex acute and ± mucronulate. Flowers clustered in axils of most stem leaves and leaves on condensed axillary branchlets. Male flowers 4 (or 5)-merous; stamens (3 or) 4; filaments to c. 0.7 mm long; anthers 0.2–0.4 mm long. Capsules ± ovoid, c. 2 mm long, smooth.