Citation: Hook. f., Fl.. Tasm. 2:79, t. 138A (1858).

Synonymy: Not Applicable

Common name: Trithuria.

Description:
Annual herb, usually becoming reddish; leaves lax, straight, narrow-linear, acute, 1-4 cm long, to 1 mm wide, glabrous.

Capitula numerous, scapose rarely sessile; scapes erect, filiform, unbranched, accrescent, to 5 cm high, leafless, glabrous; involucre spreading; bracts 4-6, acuminate, 1-veined, subequal, 3-4 mm long, glabrous; male florets 2-5; anther oblong, c. 0.6 mm long, purple; filament 1-2 mm long, rigid; female florets 10-25, c. 2 mm long, densely packed in a hemispherical cluster; stigmatic hairs 3-6.

Fruit a capsule, obovoid-trigonous, c. 0.6 mm long, splitting along the 3 ribs, with 3 panels attached at the apex and opening outwards from the base after falling from the pedicel; seed ovoid, c. 0.4 mm long, rugose, brown.

Distribution:  Winter annual on mud of stream margins, seasonal swamps and pools. S.Aust.: EP, MU, KI, SE.   W.Aust.; N.S.W.; Vic.; Tas. Conservation status: native Flowering time: Sept. — Nov.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available