Common name: Espartillo
Amelichloa brachychaeta (Godr.) Arriaga & Barkworth APNI*
Synonyms: Achnatherum brachychaetum (Godr.) Barkworth APNI*
Stipa brachychaeta Godr. APNI*
Description: Caespitose perennial to c. 1 m high.
Leaves with ligule truncate, membranous, 0.1–0.5 mm long, ciliate with hairs 0.5–1.5 mm long, also with a tuft of hairs at the side; auricles absent; blade expanded to tightly rolled, 1–2.5 mm wide, scabrous. Cleistogenes present in lower leaf sheaths.
Panicle 15–25 cm long, exserted, contracted. Spikelets 6–7 mm long (excluding awn), gaping. Glumes subequal, acuminate. Lemma 4.5–6 mm long, scaberulous with minute tubercles, with hairs 0.2–1 mm long mainly on the midrib and margins but also scattered variously or more or less glabrous between the midrib and lateral nerves; lobes 0.1–0.2 mm long; coma of hairs 0.2–0.7 mm long; callus straight, blunt, densely silky with white hairs; awn once or twice bent, 1–1.5 cm long; palea subequal to lemma.
Distribution and occurrence: Uncommon weed of pasture. Native of S Amer.
NSW subdivisions: *NWS, *CWS
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.