Small annual herb, (1.5–)5–7.5(–14) cm high. Leaves flat and thread-like, (1–)4–7.5(–14) cm long, usually exceeding infructescence. Scape at fruiting erect, ascending or spreading, (0.2–)0.6–2.5(–4.5) cm long; infructescence (0.5–)1–4 cm long, with (3–)5–14 fruits. Fruits 6-sided, subcylindric basally (slightly broader at base), abruptly conical distally, 3–4 mm long, c. 1 mm wide (excluding spreading points), subsessile (pedicel c. 0.2 mm long); carpels 3, all fertile, completely united, basally with 2 lateral deflexed, reflexed or spreading, thickened spurs c. 1 mm long. Fruits Sep.–Nov.
LoM, MuM, Wim, GleP, VVP, VRiv, OtP, Gold, GGr, DunT, NIS. Also SA, NSW. Occurs in wet soil near temporary water, such as found in small temporary streams, roadside pools and small depressions in Allocasuarina luehmannii and Eucalyptus camaldulensis forests and woodlands.
