Primary stems to 50 cm long; branches divaricate to erect. Leaves of branches: lamina divergent to divaricate, 3-15 mm long, pungent, medium to deep green; margins scabrid; nerves 3-5, ±rounded; grooves open, glabrous to scabrid; auricles not or shortly produced; scarious sheath margins remaining entire; lamina of primary-stem leaves 15-45 mm long. Flowers terminal; pedicels 1-4 mm long. Sepals and petals 4-5.5 mm long, white with prominent purple-brown midrib. Stamens 2.5 mm long. Pistil 3 mm long; ovary abruptly narrowed to slender style. Capsule 3-4 mm long, verrucose, rarely smooth; tubercles rounded or flattened, irregular, to 0.3 mm long. Seed 3 mm diam., slightly rugose.
Grows in sand and sandy clay, sometimes with granite or laterite, in depressions and along watercourses, in shrubland and woodland.
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