Eleocharis pusilla
R.Br. Small Spike-rushSmall tufted perennial with slender rhizome. Culms filiform, 2–15(–30) cm high, c. 0.5 mm diam. Spikelet ovoid, 2–7 mm long; glumes acute to obtuse, usually dark red-brown to blackish, 1.7–2.7 mm long; hypogynous bristles few, very slender, small or absent; stamens 3; anthers 0.9–1.6 mm long; style 3-fid. Nut obscurely trigonous, narrow-obovoid, acute or with very small neck with style-base enveloping apex, each face with 3 or 4 vertical ribs, the cells between the ribs transversely elongate, rather glistening, straw-coloured, 0.7–1.1 mm long, 0.4–0.6 mm diam.; style-base very small, c. one-quarter as long as and from one-third to one-half as wide as nut. Flowers spring–summer.
LoM, MuM, Wim, GleP, VVP, VRiv, MSB, RobP, MuF, GipP, OtP, WaP, Gold, CVU, GGr, DunT, NIS, HSF, HNF, MonT, HFE, VAlp. All States. New Zealand. Widespread in moist situations almost throughout lowland Victoria.
Wilson, K.L. (1994). Cyperaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 238–356. Inkata Press, Melbourne.