Vulpia myuros (L.) C.C.Gmel.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Poaceae
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Scientific Name
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Description
Species Description - Erect or ascending annual 1–7 dm; blades slender, commonly involute, 0.5–3 mm wide, usually thinly hairy above; infl a contracted, often rather dense panicle or spike-like raceme 3–25 cm, often not fully exserted from the sheath, the branches variously erect to drooping; spikelets 3–7-fld, 5.5–12 mm (excl. awns); florets only loosely imbricate, the rachilla-joints ca 1 mm; glumes thin, glabrous, subulate, the first 1-veined and mostly 0.5–2.5 mm, the second 3-veined, at least twice as long, 2.3–5.5 mm; lowest lemma 4.5–7 mm, usually scabrous above, with an awn 7.5–22 mm; anther usually 1, under 1 mm; grains 3–4.5 mm; 2n=14, 42. Native of Europe, now a widespread weed in temp. and subtrop. regions. (Festuca m.; V. megalura, with ciliate-margined lemmas)
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Common Names
rat-tail fescue