Small annual or perennial herb forming small, rather loose clumps; stems usually decumbent, rooting at lower nodes in moist conditions, sometimes obviously erect and ascending 1-2 cm, much-branched. Lvs connate at base, 1.7-3 × 1-1.2 mm, c. 0.8 mm thick, ovate-elliptic, flattened above, convex beneath; apex obtuse or subacute. Fls solitary in lf axils, not star-like, 4-merous, 1.2-1.8 mm diam.; pedicels < 1 mm long at anthesis, elongating up to 3-(4) mm long at fruiting. Calyx lobes 0.8-1 × c. 0.4 mm, triangular-lanceolate, acute or subacute. Petals 0.7-1 × c. 0.4 mm, ovate, greenish with deep pink tips, acuminate, usually slightly < calyx, occasionally ± = calyx. Scales c. 0.25 mm long, very narrowly spathulate. Follicles smooth. Seed 0.4-0.45 mm long.
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