Herb, 2–20 cm high, annual. Leaves distichous, equitant, glabrous; sheath 3–8 mm long; lamina triquetrous, 10–75 mm long, 0.7–2 mm wide; innermost 1 or 2 leaves with shorter laminae but not cataphyllous. Scape 1–14 cm long, two-edged, glabrous or with scabridulous edges. Heads laterally compressed, oblong, 1.3–4 mm wide. Primary bracts opposite, glabrous, closely sheathing; outer bract with a brown scarious basal sheath 3–5 mm long with hyaline margins, and a lamina 8–45 mm long; inner bract similar but with a lamina 5–30 mm long. Pseudanthia 3–30, bisexual. Secondary bracts 2 or 3 per pseudanthium, 2.5–4 mm long, truncate to erose. Stamen free; anther 1–2 mm long. Carpels 3–7; styles connate at the base; papillae simple, c. 0.02 mm long. Seed fusiform, 0.6–0.8 mm long.
Grows in moist micro-habitats in heath, mallee, woodland and open forest, mainly in sandy soils.
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