Prodr. 221 (1810) APNI
Taxonomic status:Accepted
Occurrence status:Present
Establishment means:Native
Slender aquatic or terrestrial perennial. Culms weak, filiform, leafy, submerged and elongated, or creeping and procumbent, or erect and tufted and to 10 cm high. Spikelets solitary, elliptic in outline, strongly flattened, 5–10(–15)-flowered, 3–5 mm long; involucral bract shorter than to slightly exceeding spikelet, glume-like or with a short thickened appendage; glumes obtuse, conspicuously numerous-nerved, straw-coloured with red-brown patches, 1.7–2.8 mm long; stamens 2 or rarely 3; anthers 0.5–1.0 mm long; style 2-fid. Nut plano-convex, with angles not well-defined, broad-obovoid to ellipsoid, smooth, minutely reticulate, shining, grey-brown to dark brown, from one-half to three-quarters as long as glume, 1.4–1.8 mm long, c. 1 mm diam. Flowers spring–summer.
CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuF, NIS, OtP, OtR, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. Widespread in swamps and streams, mostly in the cooler, southern parts of the State, but extending north near St Arnaud, Nagambie, Wangaratta areas.
3 varieties, 2 in Victoria. Variety nervosa (Hochst. ex A.Rich.) Lye is endemic to Ethiopia.
Bioregion | Occurrence status | Establishment means | |
---|---|---|---|
Lowan Mallee | present | native | |
Wimmera | present | native | |
Glenelg Plain | present | native | |
Victorian Volcanic Plain | present | native | |
Victorian Riverina | present | native | |
Murray Fans | present | native | |
Gippsland Plain | present | native | |
Otway Plain | present | native | |
Warrnambool Plain | present | native | |
Goldfields | present | native | |
Central Victorian Uplands | present | native | |
Greater Grampians | present | native | |
Dundas Tablelands | present | native | |
Northern Inland Slopes | present | native | |
East Gippsland Lowlands | present | native | |
East Gippsland Uplands | present | native | |
Wilsons Promontory | present | native | |
Highlands-Southern Fall | present | native | |
Highlands-Northern Fall | present | native | |
Otway Ranges | present | native | |
Strzelecki Ranges | present | native | |
Monaro Tablelands | present | native | |
Highlands-Far East | present | native | |
Victorian Alps | present | native | |
Snowy Mountains | present | native |
State |
---|
Western Australia |
South Australia |
Queensland |
New South Wales |
Australian Capital Territory |
Victoria |
Tasmania |