Isolepis australiensis (Maiden & Betche) K.L.Wilson APNI*
Synonyms: Scirpus australiensis S.T.Blake APNI*
Description: Small tufted annual.
Culms filiform, to 15 cm high.
Leaves to 3 cm long. Spikelets 1–3 per inflorescence, 2–4 mm long; involucral bract (rarely 2) erect or spreading, to 10 mm long. Glumes acute, excurved, not or scarcely mucronate, sides nerveless or rarely with 1 nerve near midrib, 0.8–1.2 mm long, with hyaline sides (often tinged red-brown). Stamens 1–3. Style 3-fid.
Nut ± equally trigonous, obovoid, minutely verruculose or papillose, glistening, half to two-thirds as long as glume, 0.4–0.6 mm long, c. 0.3 mm diam., pale brown to dark red-brown.
Flowering: spring–summer after rain.
Distribution and occurrence: Grows in seasonally wet situations, west from the western edge of the Western Plains (e.g. Louth).
NSW subdivisions: CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. S.A. N.T.
Text by K. L. Wilson
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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