Trithuria lanterna D.A.Cooke

Tufted annual c. 1 cm high, 2-3 cm diam. Leaves 5-18 mm long, to 0.8 mm wide. Capitula sessile, crowded among leaves; bracts 2, erect, lanceolate, acute, similar to leaves but 2-3 mm long, to 1 mm wide. Male flowers 1 or 2 per capitulum; anther oblong-elliptic, c. 0.7 mm long, pale purple, persistent; filament 0.2 mm long. Female flowers 6-20, loosely grouped in capitulum; stigmatic hairs 2-4, to 2 mm long, persistent, tangled. Fruit ovoid, 0.4 mm long, indehiscent, hyaline between the 3 brown ribs. Seed smooth, c. 0.3 mm long, pale, translucent with dark tip.

Grows in seasonally wet sites such as Melaleuca swamps and stream margins.