Directory       News       Site Map       Home
         
    Jepson eFlora
Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

KOELERIA

Dieter H. Wilken


Annual, perennial herb. Stem: erect. Leaf: basal to cauline; ligule membranous, glabrous to minutely ciliate, toothed at obtuse to truncate tip; blade narrow, flat to inrolled. Inflorescence: panicle-like, generally compact, narrow, or wider in full flower. Spikelet: laterally compressed; glumes unequal, upper > and wider than lower, keeled, acute, lower 1-veined, upper faintly 3–5-veined; axis prolonged beyond fertile floret, bristly (occasionally with vestigial floret at tip); florets 2–5, bisexual, breaking above glumes and between florets; lower lemmas generally > glumes, awned or not, 5-veined; palea ± < lemma, tip minutely 2-forked.
± 30 species: temperate North America, Eurasia. (G.L. Koeler, German botanist, 1765–1807) [Standley 2007 FNANM 24:753–756]
Unabridged references: [Arnow 1994 Syst Bot 19:6–20; Shinners 1956 Rhodora 58:93–96]

Key to Koeleria

1. Annual; inflorescence axis, branches glabrous; glumes, lower lemmas papillate to coarse-hairy on back ..... K. gerardi

1' Perennial herb; inflorescence axis, branches puberulent; glumes, lower lemmas glabrous to minutely scabrous on back ..... K. macrantha

Contact/Feedback

Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.