View source for Koeleria pyramidata

{{Treatment/ID
|accepted_name=Koeleria pyramidata
|accepted_authority=(Lam.) P. Beauv.
|publications=
|common_names=Crested hairgrass
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Koeleria;Koeleria pyramidata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Poeae]]</div><div class="higher-taxon"><small>genus</small>[[Koeleria]]</div><div class="higher-taxon"><small>species</small>[[Koeleria pyramidata]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 754
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>loosely cespitose, sometimes rhizomatous. <b>Culms</b> (30)40-90 cm, glabrous or puberulent above. <b>Sheaths</b> sparsely sericeous to densely pubescent, old sheaths persistent, disintegrating into wavy, curled, or arched fibers; ligules 0.5-1 mm; blades 5-24 cm long, 1-5 mm wide, flat, margins of the basal blades often ciliate below, with hairs usually longer than 2 mm. <b>Panicles</b> 5-22 cm long, 1-4(5) cm wide; branches villous. <b>Spikelets</b> 6-10 mm, with 2-4(5) florets; rachillas with scattered pubescence. <b>Glumes</b> acute, glabrous, smooth or scabrous; lower glumes 4-5 mm, 1-veined; upper glumes 5-6.5 mm, 3-veined; calluses broadly rounded, pubescent; lemmas 4-6 mm, glabrous or puberulent, rarely ciliate, usually green when young, stramineous at maturity, apices acuminate to shortly aristate; anthers 2-2.5 mm. <b>Caryopses</b> 2.5-3.8 mm. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|discussion=<p>Koeleria pyramidata, as interpreted here, is confined to Europe. Some North American records for K. pyramidata are based on robust specimens of K. macrantha; others reflect an interpretation of K. pyramidata that includes K. macrantha.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Koeleria pyramidata
|author=
|authority=(Lam.) P. Beauv.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V24/V24_1069.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Koeleria
|species=Koeleria pyramidata
}}<!--

-->[[Category:Treatment]][[Category:Koeleria]]