Fl. South Australia 676 (1929) APNI
Taxonomic status:Accepted
Occurrence status:Present
Establishment means:Native
Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988
Slender annual or tufted perennial, occasionally viscid. Culms triquetrous to terete, often scabrous above, 3–25 cm high, 0.6–1.3 mm diam. Leaves not septate-nodulose, mostly longer than culms, usually curly at the apex, to 3 mm wide. Inflorescence head-like or simple, with 1–4 branches 1–6 cm long; clusters dense to loose, subdigitate, hemispherical to globose, to 3 cm diam.; involucral bracts leaf-like, 2–4 much exceeding inflorescence. Spikelets flattened, 5–15 per cluster, 4–25 mm long, 2.5–4 mm wide in side view, 6–25-flowered; rachilla narrowly to broadly winged; glume spacing 1.3–2.3 mm; spikelet falling as unit, or rachilla persistent; glumes acute to obtuse with straight to excurved mucro to 0.4 mm long, with 2–3-nerved sides, straw-coloured tinged red-brown or evenly red-brown, 1.8–3.7 mm long; stamens 3; style 3-fid. Nut trigonous, narrow-obovoid to very narrow-ellipsoid, pale brown, nearly as long as glume, 1.3–3.2 mm long, 0.5–0.8 mm diam., falling with glume only if spikelet is viscid. Flowers spring–summer.
MuM, RobP. All mainland states. Grows in ephemerally wet situations such as lake beds, floodways and roadside drains in the far north-west (e.g. Hattah, Robinvale and Jeparit areas). .
A variable species that may include several taxa.
Bioregion | Occurrence status | Establishment means | |
---|---|---|---|
Murray Mallee | present | native | |
Robinvale Plains | present | native |
State |
---|
Western Australia |
Northern Territory |
South Australia |
Queensland |
New South Wales |
Victoria |