Centrolepis pedderensis W.M.Curtis

Herb, annual or perennial, tufted, 3–5 cm high, forming clumps up to 7 cm diam. Leaves equitant, distichous in a suberect fan-shaped cluster, glabrous; sheath 3–10 mm long, with imbricate hyaline margins; lamina subterete, 3–20 mm long, 0.3–0.8 mm wide. Uppermost 1 or 2 leaves with shorter laminae but not cataphyllous. Scape terete at the base, flattened distally, 2–3.5 cm long, glabrous. Heads terete, cylindric, c. 1 mm wide, gaping. Primary bracts opposite, sheathing, glabrous; outer bract with a herbaceous basal sheath 3.5–4.5 mm long and a subulate lamina 0.5–1.2 mm long; inner bract elliptic, acute, 3.3–4.2 mm long, lacking a lamina. Secondary bracts absent. Pseudanthia 2–6, 1 or 2 bisexual, the others lacking the stamen. Stamen free; anther 1–1.5 mm long. Carpels 3–7; styles connate at the base; papillae mostly trilobed, 0.05–0.1 mm long. Seed fusiform, c. 0.5 mm long.

Grows around margins of lakes and streams in alluvial quartz sands, persisting as a perennial where covered by water in winter.