Austrostipa nodosa (S.T.Blake) S.W.L.Jacobs & J.Everett APNI* Synonyms: Stipa nodosa S.T.Blake APNI*
Description: Caespitose perennial to c. 1 m high.
Leaves with ligule truncate, membranous, glabrous to sparsely ciliate, 0.5–2 mm long; auricles usually thickened and spreading, ciliate at the base; blade expanded to inrolled, 1–3 mm wide, scaberulous to pubescent.
Panicle exserted, open or occasionally contracted, 15–50 cm long. Spikelets gaping after floret disarticulating, otherwise tightly closed, 10–15 mm long (excluding awn). Glumes subequal to unequal, acute to acuminate. Lemma 4–7 mm long, slightly granular to smooth, silky; lobes absent or 2, glabrous, 0.1–0.4 mm long; coma obscure, of few hairs 0.4–1 mm long. Callus sturdy, weakly bent at the tip, densely silky. Awn falcate, 4.5–10 cm long. Palea subequal to the lemma.
Flowering: in response to rain.
Distribution and occurrence: Widespread, mostly on heavier soils of winter rainfall areas.
NSW subdivisions: CC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld S.A.
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.
|
