Macoun Wildrye - x Elyhordeum macounii
Elymus macounii, x Agrohordeum macounii
Stems 20–60 cm. Leaves: blades 2–5 mm wide, flat to inrolled. Inflorescence 5–10 cm long, the erect rachis disarticulating at maturity. Spikelets 2 per node (sometimes evident by just 3 glumes at a node), 12–15 mm long; glumes narrow, 1- to 3-veined, tapering to a short to long awn. Lemmas 1 or 2 per spikelet, hairless, tapering to an awn 4–10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
A hybrid between Elymus trachycaulus and Hordeum jubatum.
Throughout most of northern and western North America and absent mostly from eastern U.S (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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- 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.