Dwarf shrub, rounded to ± cushion-forming, diffusely branched, to c. 0.3 m tall and 0.3-0.5 m in diam. Stems ascending, prostrate or ± erect, much branched; branches usually single at nodes, shortly hairy. Leaves in whorls of 3, pseudoverticillate; blades (1.2-)1.5-3.5 x 0.4-0.9 mm, linear(-lanceolate) (often longer, to 6.4 mm, on new growth), margins and sometimes also midrib below with whitish ± straight hairs c. 0.1-0.2(-0.4) mm long. Flowers usually in clusters of 3 at nodes, inflorescence sometimes ± conspicuous in fruiting 9; corolla 4-merous, yellowish (green), sometimes a little hairy outside, 'male': tube 0.7-1.2 mm long, broadly funnel-shaped, lobes (1.5-)1.7-2.1 x 0.6-0.9 mm; anthers 1-1.7 mm long. 'Female': tube 0.3-0.4 mm long, lobes (0.3-)0.5-1 x 0.1-0.3 mm; stigmas (2.2-)2.5-4.8 mm long, purplish red; ovary 1.0-1.2 x 0.6-1.0 mm, hairy, with 4 conspicuous calyx lobes. Fruit indehiscent, hard, not supported by a carpophore, 2.0-2.8 x (1.5-)1.7-2.2 mm, obovoidal to spheroidal, greyish, covered with whitish spreading hairs c. 0.1-0.2 mm long, with 4 glabrous rounded calyx lobes c. 0.3-0.4 x 0.4-0.5 mm.