Amelichloa caudata (Trin.) Arriaga & Barkworth APNI* Synonyms: Achnatherum caudatum (Trin.) S.W.L.Jacobs & J.Everett APNI*
Stipa caudata Trin. APNI*
Description: Caespitose perennial to c. 1 m high, with a basal tuft 50–75% the height, without rhizomes. Culms erect, terete to slightly angled, not compressible, slightly ribbed at the base to smooth or strongly ribbed upwards, 2–4-noded.
Leaves with ligule truncate to obtuse, membranous, ciliate, 0.1–0.5 mm long; auricles, if present, thickened, glabrous, c. 0.8 mm long; blade expanded to tightly rolled, strongly ribbed, 1–2.5 mm wide, minutely scabrous on upper surface, margins hairy to minutely scabrous. Cleistogenes usually present in lower sheaths.
Panicle exserted, contracted, 15–25 cm long. Spikelets gaping, 6–9 mm long (excluding awn). Glumes subequal, acuminate. Lemma 4–6 mm long, scaberulous with minute tubercles; lobes 0.3–0.4 mm long; coma of hairs 0.2–1 mm long. Callus straight, blunt, densely silky with white hairs. Awn twice bent, 1.2–1.8 cm long. Palea subequal to the lemma.
Flowering: Spring–summer.
Distribution and occurrence: Uncommon on roadsides on the Western Slopes. Native of S Amer.
NSW subdivisions: *NWS, *CWS, *SWS, ?SWP
Other Australian states: *Vic. *Tas. *S.A.
Text by S.W.L. Jacobs & J. Everett (1993); Edited by G.M. Towler (May 2008)
Taxon concept: Arriaga & Barkworth (2006)
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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