Small annual herb, not forming mats or clumps; stems simple, 3-15 cm long, slender, erect, not rooting at nodes; branches few and mainly from base. Lvs connate at base, 2-4 × 0.5-1.3 mm, c. 0.5 mm thick, lanceolate or ovate- lanceolate, flattened above, moderately convex beneath; apex acute to acuminate. Fls in small cymose clusters in lf axils, not star-like, 4-merous, 1-3 mm diam.; pedicels < 1- c. 4 mm long at anthesis, at least some 3-6 mm long and generally much > lvs at fruiting. Calyx lobes c. 1-1.3 × 0.2-0.3 mm, triangular-lanceolate or narrowly triangular, short- to long-acuminate. Petals 0.5-0.8 × c. 0.1 mm, ± lanceolate, rose to red or brownish green with red or pink tips, acuminate, < calyx. Scales 0.2-0.3 mm long, very narrowly spathulate. Follicles smooth. Seed 0.25-0.5 mm long.