Fl. Petrop. 16 (1799) APNI
Tufted annual or short-lived perennial, culms decumbent, geniculately ascending, or, rarely, erect, occasionally rooting at lower nodes, to 60 cm long. Leaves glabrous, virtually smooth; blade to 15 cm long and 1–3(–5) mm wide; ligule obtuse to acute, membranous, 1–5 mm long. Inflorescence a spike-like panicle, 2–6 cm long, 3–6 mm wide; glumes 1.5–3.5 mm long, obtuse, hyaline at apex, connate only at base, hairy along keel only or with short scattered hairs along sides; lemma subequal to or shortly exceeding glumes, obtuse, glabrous, shining brown at maturity, margins united for a third to half their length; awn 1–2 mm long, straight, inserted in the upper half of the lemma, exceeding glumes by up to 1 mm if at all; palea absent. Anthers 0.6–1.5 mm long. Flowers Sep.–Mar.
*DunT, *GipP, *Glep, *HSF, *LoM, *MonT, *MuF, *MuM, *MSB, *NIS, *RobP, *VRiv, *Wim. Also naturalised in SA, NSW (far south-west). Native to most of Europe, Asia, North America. Occurs in swampy situations or along irrigation channels predominantly in the north-west, but with an isolated record from a farm dam near Wulgulmerang in the east.
Often coextensive with A. geniculatus.
|Bioregion||Occurrence status||Establishment means|
|Murray Scroll Belt||present||introduced|
|Northern Inland Slopes||present||introduced|
|New South Wales|
|Australian Capital Territory|