Slender Oat - Avena barbata
Barbed Oat, Slender Wild Oat
Cultivated annual bunchgrass. Stems 35–180 cm. Leaves: blades 3–14(-25) mm wide. Inflorescence an open nodding panicle 6–40 cm long. Spikelets (18-)25-32 mm long, with 1-2 florets. Lemmas glabrous to sparsely strigose, awnless or with a weakly twisted awn arising from the middle 1/3 of the lemma 15-30 mm long, with an glabrous callus (adapted from: Baum, 2007, in Flora N. America, Vol. 24).
Introduced; CA and OR to NV and AZ; one county record each for NM, MT (Rosebud) and AL (Kartesz in prep. 2012).
Mostly in cultivation or escaped in disturbed areas.
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.