Cas. Nar. Mus., Odd. Prir. 141: 62 (1972) APNI
Rhizomatous perennial. Culms 30–90(–120) cm high, 1–3.5 mm diam. Leaves ± erect 2–7 mm wide. Inflorescence a compact head of 3–6 spikelets, or with 1–3 spikelet clusters on branches 1–4 cm long; involucral bracts 4–22 cm long, 1.5–2.5 mm wide. Spikelets 1–2 cm long; glumes yellow-brown, c. 7 mm long, plus awn c. 2 mm long; hypogynous bristles about half as long as nut, usually deciduous; style 2-fid. Nut lenticular with concave faces, broad-obovoid, straw-coloured to dark golden brown, shining, minutely but obviously reticulate, 3.5–4 mm long, 2.5–3 mm diam. Flowers spring–summer.
CVU, DunT, EGL, GipP, Gold, HSF, MuF, MuM, NIS, OtP, OtR, RobP, VRiv, VVP, WaP, Wim. All States. New Zealand. Occasional, on margins of fresh to subsaline swamps, slow-flowing watercourses, and in shallow drains.
More slender than the other species, usually with leaves ± erect, with a small clustered inflorescence, and the nut broad and always lenticular, with surface minutely but obviously reticulate under a hand-lens.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||native|
|Central Victorian Uplands||present||native|
|Northern Inland Slopes||present||native|
|East Gippsland Lowlands||present||native|
|New South Wales|
|Australian Capital Territory|