Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb.
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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
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Species Description - Much like no. 10 [Muhlenbergia glomerata (Willd.) Trin.]; culms becoming much branched from near the middle; internodes shining, glabrous or slightly puberulent near the top; ligule 0.6–1.5 mm, lacerate; infls 4–17.5 cm, terminal or on long leafy branches, the peduncle included or exsert to 10 cm; florets pilose only on the callus and sometimes the keels of the palea, but the margins and back of the lemma glabrous; anthers 0.6–0.8 mm; grain 1.4–2.3 mm; 2n=40. Drier habitats than no. 10; prairies, rock-outcrops, open upland woods, or sometimes along roads or in other disturbed sites; Wis. and Ill. to Alta. and e. Wash., s. to Okla. and Ariz. Hybridizes with no. 10.