Eleocharis acuta R.Br. APNI*
Description: Perennial with short rhizome.
Culms tufted, terete but ± trigonous at apex, 10–60 (rarely to 90) cm high, 1–3 mm diam.
Spikelet narrow-ovoid to narrow-cylindrical, 10–30 mm long. Glumes long-acute to broad-acute, midrib distinct, 3.5–4.5 mm long, straw-coloured tinged red-brown to dark red-brown. Bristles 6–9, flattened below, strongly retrorsely toothed, rather unequal, reaching or somewhat overtopping the style base, occasionally reduced. Stamens 3; anthers 1.1–3.4 mm long. Style 3-fid.
Nut plano-convex to biconvex, with angles obtuse, broad-obovoid, usually 1.5–1.7 mm long, 1.1–1.2 mm diam., shining, yellow to brown; external cells minute, shortly vertically oblong; style base usually 0.4–0.6 mm high, 0.5–0.6 mm wide, a third to half as broad as nut.
Distribution and occurrence: Widespread in NSW. In all States (not Northern Territory), New Zealand, New Guinea, Norfolk Island.
Grows in moist situations.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. Tas. W.A. S.A.
Text by K. L. Wilson (1993; revised Sept 2006)
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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