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Austrostipa semibarbata (R.Br.) S.W.L.Jacobs & J.Everett
Family Poaceae
Austrostipa semibarbata (R.Br.) S.W.L.Jacobs & J.Everett APNI*

Synonyms: Stipa semibarbata R.Br. APNI*

Description: Caespitose perennial to c. 1 m high.

Leaves with ligule truncate, leathery, ciliate, 1–1.5 mm long; auricles thickened, 0.5–1 mm long; blade loosely rolled, 1–7 mm wide, moderately to strongly ribbed, pubescent on upper surface, margins glabrous to scaberulous.

Panicle exserted, contracted, 5–30 cm long. Spikelets gaping, 20–25 mm long (excluding awn). Glumes unequal, acuminate. Lemma 9–11.5 mm long, smooth to granular upwards, silky with white hairs over most of the body, almost black at maturity; coma and lobes absent. Callus weakly bent at the tip, densely silky. Awn twice bent, 7–11 cm long, pubescent; column 3–4 cm long, 2–3 c. to the first bend. Palea subequal to the lemma.

Photo Tanja Lenz

Flowering: spring–summer.

Distribution and occurrence: Grows in sclerophyll forest and heath, usually on sandy soils.
NSW subdivisions: SC, CT, ST
Other Australian states: Vic. Tas. W.A. S.A.
AVH map***

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
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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