Austrostipa acrociliata (Reader) S.W.L.Jacobs & J.Everett APNI*
Synonyms: Stipa acrociliata Reader APNI*
Description: Shortly rhizomatous or caespitose perennial to 1.5 m high, often branched at the nodes, without a basal tuft of leaves.
Leaves with ligule truncate, obtuse or laciniate, membranous, glabrous, 2.5–6 mm long; auricles thickened, glabrous, 1–2 mm long; blade expanded or loosely inrolled, 3–10 mm wide, strongly ribbed, glabrous to scaberulous, margins glabrous.
Panicle expanded, exserted, to 50 cm long, with distant fascicles of unequal, few-flowered branches. Spikelets gaping, 6–10 mm long (excluding awn). Glumes unequal, obtuse to acuminate. Lemma 4.5–6.5 mm long, finely tuberculate, dark brown; lobes 2, 0.2–0.5 mm long, or absent; coma obscure, 0.3–0.6 mm long. Callus fine and straight, the tip sharp. Awn slightly once or twice bent, 3–9 cm long. Palea equal in length to the lemma.
Flowering: in response to rain.
Distribution and occurrence: Grows in sandy areas of inland plains.
NSW subdivisions: NWP, SWP, SFWP
Other Australian states: Vic. W.A. S.A.
Text by SWL Jacobs and J Everett 1993 (as Stipa)
Taxon concept: Flora NSW vol 4 (1993)
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