Avena fatua
L. Wild OatCulms erect, to 150 cm high. Leaves glabrous; blade finely scabrous, to 45 cm long and 15 mm wide; ligule membranous, to 6 mm long. Inflorescence a spreading, open panicle to 40 cm long and 20 cm wide. Spikelets 2–3-flowered, drooping; glumes lanceolate, 18–25 mm long, 7–9-nerved; lemma lanceolate, 14–22 mm long (including the 2–4 apical teeth to 1 mm long), silky-hairy in lower half, rarely almost glabrous; awn 25–40 mm long, inserted about halfway up lemma; palea slightly shorter than lemma. Florets falling separately from each other at maturity. Flowers Sep.–Dec
LoM, MuM, Wim, GleP, Brid, VVP, VRiv, MSB, RobP, MuF, GipP, OtP, WaP, Gold, CVU, GGr, DunT, NIS, EGL, EGU, HSF, HNF, OtR, Strz, HFE, VAlp. Naturalised in all States. Native to southern Europe, but naturalised throughout much of the world. A common weed of cereal crops, roadsides and areas where hay is stored or has been spread, but relatively uncommon in the east, north-east and south-west.
Walsh, N.G. (1994). Poaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 356–627. Inkata Press, Melbourne.