View source for Piptatherum canadense

{{Treatment/ID
|accepted_name=Piptatherum canadense
|accepted_authority=(Poir.) Dorn
|publications=
|common_names=Canadian piptatherum;Oryzopsis du canada
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Oryzopsis canadensis
|authority=unknown
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Stipeae;Piptatherum;Piptatherum canadense
|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 Stipeae]]</div><div class="higher-taxon"><small>genus</small>[[Piptatherum]]</div><div class="higher-taxon"><small>species</small>[[Piptatherum canadense]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 146
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose, not rhizomatous. <b>Culms</b> 30-90 cm, glabrous; basal branching mostly intravaginal. <b>Leaves</b> basally concentrated; sheaths smooth or scabridulous; ligules 1-4 mm, hyaline, truncate, rounded, or acute; basal blades 4-15 cm long, 1-1.5 mm wide when flat, 0.5-0.8 mm in diameter when folded or convolute. <b>Panicles</b> 9-15 cm, lower nodes with 1-2 branches; branches 1-6 cm, somewhat flexuous, ascending to divergent. <b>Glumes</b> subequal, 3-6 mm long, 1.3-2 mm wide, ovate, 1-3-veined, apices acute to mucronate; florets 2.2-4.5 mm, obovoid, dorsally compressed; calluses 0.2-0.5 mm, hairy, disarticulation scars elliptic; lemmas coriaceous, evenly pubescent, tan at maturity, margins widely separated even when immature; awns 5-15 mm, persistent, once- or twice-geniculate, first segments strongly twisted; paleas similar to the lemmas in length, texture, and pubescence; anthers 1-2 mm; ovaries developing 2 conelike style bases, each bearing a single, unbranched style. <b>Caryopses</b> about 2.5 mm long, 0.5 mm thick; hila linear, almost equaling the caryopses. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|discussion=<p>Piptatherum canadense grows in grasslands and open woods, from the British Columbia-Alberta border east to Newfoundland, extending south into the Great Lakes region and the northeastern United States. Its persistent, longer awns distinguish P. canadense from P. pungens.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Piptatherum canadense
|author=
|authority=(Poir.) Dorn
|rank=species
|parent rank=genus
|synonyms=Oryzopsis canadensis
|basionyms=
|family=Poaceae
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V24/V24_197.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Stipeae
|genus=Piptatherum
|species=Piptatherum canadense
}}<!--

-->[[Category:Treatment]][[Category:Piptatherum]]