Austrostipa gibbosa (Vickery) S.W.L.Jacobs & J.Everett APNI* Synonyms: Stipa gibbosa Vickery APNI*
Description: Caespitose perennial to 1.5 m high.
Leaves with ligule thinly coreaceous, truncate, ciliate, 0.3–0.5 mm long; auricles thickened and spreading, glabrous; blade flat or convolute, 2–5 mm wide, upper surface very strongly ribbed, minutely puberulous or strongly scabrous.
Panicle exserted, moderately sparse, contracted, to 40 cm long. Spikelets gaping widely at floret disarticulation, otherwise the tips tightly closed, 11–17 mm long (excluding awn). Glumes unequal, acute to acuminate. Lemma 4.5–6 mm long, strongly granular, red-brown to almost black at maturity; lobes absent; coma of spreading hairs 0.8–1.3 mm long. Callus sturdy, slightly curved, hairy. Awn twice bent, 2.5–5 cm long. Palea subequal to the lemma or to 0.5 mm longer.
Flowering: spring–summer.
Distribution and occurrence: Grows in open woodland or grassland.
NSW subdivisions: CWS, SWS, SWP
Other Australian states: Vic. S.A.
Text by SWL Jacobs and J Everett 1993 (as Stipa)
Taxon concept: Flora NSW vol 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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