Dioecious subshrub or dwarf shrub, several- to many-stemmed, erect, 0.2–0.6(1) m. tall, often with a quite thick, ± disk-like woody base. Stems ± unbranched to much-branched, branches often more numerous in male than female, ascending to ± erect, papillate to very shortly hairy. Leaves in whorls of 3, pseudo-verticillate; blades (3)4–8(12) x 0.5–1.5(3) mm., linear to linear-lanceolate or narrowly oblanceolate, glabrous; margins mostly revolute; petioles subobsolete; stipular sheath with a small, narrow seta, often flanked by a smaller seta on either side. Flowers subsessile, in clusters of several (male) to many (female) at nodes, female inflorescences often more conspicuous than male, ± compact and cylindrical; corolla 4-merous, greenish-yellow to yellow, in male usually a little hairy outside. Male: tube 0.5–1 mm. long, (± broadly) funnel-shaped, lobes 1.3–2 x 6.5–0.8 mm.; anthers (0.8)1–1.3 mm. long; rudimentary ovary minute, hardly discernible. Female: tube 0.2–0.4 mm. long, lobes 0.3–0.5 x 0.1–0.2 mm.; style ± 0, stigmas 3.4–9.1 mm. long; ovary 0.7–0.8 x 0.6 mm., with 4 indistinct calyx lobes or calyx lobes lacking. Fruit reddish-brown; mericarps 1.4–1.7 x 0.7–0.9 mm., ± obovate, ± glabrous or with a few whitish hairs, with 2 indistinct, ± triangular calyx lobes hardly longer than 0.1 mm. or calyx lobes ± lacking.
