|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb, generally from rhizomes. Stem: 1--15 dm, generally not branched, +- smooth; nodes (1)2--8. Leaf: generally basal and cauline; sheath smooth or scabrous; ligule membranous; blade flat to inrolled. Inflorescence: panicle-like, open to dense; branches +- drooping to appressed; spikelets ascending to appressed. Spikelet: glumes subequal, generally lanceolate, acute to acuminate, lower generally 1-veined, upper 3-veined; floret 1, breaking above glumes; axis prolonged beyond floret, hairy; callus hairy; lemma < glumes, awned from below middle to near base, tip generally 4-toothed, veins 3--5, awn straight to twisted, bent; palea +- = lemma, thin.
Species In Genus: +- 265 species (including Deyeuxia): cool temperate (especially moist montane); some forage value. Etymology: (Greek: reed grass) Note: Hybridization, polyploidy (diploids unknown), and asexual seed set contribute to taxonomic difficulty.
eFlora Treatment Author: Paul M. Peterson, Jeffery M. Saarela & Craig W. Greene
Jepson Online Interchange
Key to CalamagrostisPrevious taxon: Bromus vulgaris
Next taxon: Calamagrostis bolanderi
Citation for this treatment: Paul M. Peterson, Jeffery M. Saarela & Craig W. Greene 2017. Calamagrostis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11005, accessed on February 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 26, 2017.