Calamagrostis spp.
Family: Poaceae
Calamagrostis image
Spikelets 1-fld, articulated above the glumes; glumes subequal, acute or acuminate, the first usually a little the larger, lemma equaling or shorter than the glumes, inconspicuously 5-veined, tapering to an obtuse or truncate, erose tip, usually thin and membranous, subtended at base by white hairs arising from the callus, and bearing a slender dorsal awn; palea membranous, half to fully as long as the lemma; rachilla prolonged (in our native spp.) behind the palea as a slender, usually hairy, often inconspicuous bristle, perennials, often rhizomatous, with long narrow lvs and a loose and open to contracted and spike-like panicle. 150+, temp. and cool reg. Many of the plants at higher ploidy-levels are apomictic.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
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Image of Calamagrostis arenicola
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Image of Calamagrostis arundinacea
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Image of Calamagrostis confinis
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Image of Calamagrostis epigejos
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Image of Calamagrostis erectifolia
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Image of Calamagrostis fasciculata
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Calamagrostis
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Image of Calamagrostis insperata
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Image of Calamagrostis junciformis
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Image of Calamagrostis lepageana
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Calamagrostis
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Image of Calamagrostis ophitidis
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Image of Calamagrostis orizabae
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Image of Calamagrostis perplexa
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Image of Calamagrostis pittieri
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Image of Calamagrostis pringlei
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Image of Calamagrostis purpurea
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Calamagrostis
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Image of Calamagrostis subflexuosa
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Image of Calamagrostis varia
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Calamagrostis
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Image of Calamagrostis villosa
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Image of Calamagrostis yukonensis
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