Perennial. Stems procumbent or rarely ascending, slender but not filiform, glabrous, (2)–5–10–(20) cm long; axillary fascicles of lvs present; adventitious roots sometimes present at nodes. Rosette lvs short-lived. Cauline lvs linear, hyaline at base, glabrous or with minute marginal cilia, aristate at apex, (3)–5–10–(15) × 0.2–0.5 mm. Fls small, 4–(5)-merous. Pedicels glabrous, (5)–10–15–(20) mm long. Sepals obtuse, glabrous, 1.5–2–(3) × 1–1.5 mm; hyaline margins always green. Petals very small to c. 3/4 length of sepals, rarely 0. Stamens 4–(5). Capsule ovoid, slightly > calyx; styles and valves 4–(5). Seeds brown, triangular- ovoid, papillate, 0.4 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Flowering: (Aug.)–Oct.–Mar.–(May); Fruiting: (Aug.)–Oct.–Mar.–(May)