View source for Deschampsia mackenzieana

{{Treatment/ID
|accepted_name=Deschampsia mackenzieana
|accepted_authority=Raup
|publications=
|common_names=Mackenzie hairgrass
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Deschampsia;Deschampsia mackenzieana
|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>[[Deschampsia]]</div><div class="higher-taxon"><small>species</small>[[Deschampsia mackenzieana]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 628
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>loosely cespitose. <b>Culms</b> 30-80 cm, smooth, glabrous, sometimes decumbent at the base and rooting at the lower nodes. <b>Basal</b> leaves not forming a tuft; sheaths smooth; ligules 4-7.5 mm, acute; blades 1-3 mm wide, convolute to involute, abaxial surfaces smooth, adaxial surfaces scabrous. <b>Panicles</b> 10-20 cm long, 8-14 cm wide; branches ascending to laxly diverging or reflexed, somewhat scabrous, longest branches at the lower nodes usually undivided for 1/3-1/2 their length. <b>Spikelets</b> 6-7.5 mm, bisexual. <b>Glumes</b> acuminate, equaling or slightly longer than the distal floret; callus hairs 1.5-2 mm; lemmas 4.5-5.5 mm, awns attached on the lower 1/4 - 2/3, inconspicuous, weakly geniculate, from shorter than to exceeding the lemma by approximately 2 mm; anthers 1.5-2.7 mm. <b>2n</b> = 52.</span><!--

-->{{Treatment/Body
|discussion=<p><i>Deschampsia mackenzieana</i> grows on the sandy shores and dunes around Great Slave Lake, Northwest Territories, and Lake Athabasca, Saskatchewan. The decumbent culms of some plants may be a response to shifting substrate.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Deschampsia mackenzieana
|authority=Raup
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché
|illustration copyright=Utah State University
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_896.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Deschampsia
|species=Deschampsia mackenzieana
}}<!--

-->[[Category:Treatment]][[Category:Deschampsia]]