Bristly Bristle Grass - Setaria verticillata
Other Names:
Hooked Bristlegrass, Rough Bristle-grass, Bristly Foxtail,
Setaria verticilliformis
Stems 10–50 cm. Leaves: blades 5–12 mm wide; sheaths usually hairy at throat; ligule 1–1.5 mm long. Inflorescence an erect to nodding spike-like panicle 5–13 cm long, sterile bristles 4–7 mm long, retrorsely barbed. Spikelets 2–2.5 mm long. Lemmas reticulately veined but not conspicuously transversely corrugated (Lavin in
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).