View source for Carex membranacea

{{Treatment/ID
|accepted_name=Carex membranacea
|accepted_authority=Hooker in G. F. Lyon
|publications={{Treatment/Publication
|title=in G. F. Lyon, Attempt Repulse Bay,
|place=195. 1825
|year=1825
}}
|common_names=Carex membraneux
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex physochlaena
|authority=T. Holm
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Vesicariae;Carex membranacea
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Vesicariae]]</div><div class="higher-taxon"><small>species</small>[[Carex membranacea]]</div></div>
|volume=Volume 23
|mention_page=page 500, 502
|treatment_page=page 504
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose; rhizomes long, lax. <b>Culms</b> trigonous in cross section, 13–55 cm, scabrous distally. <b>Leaves</b>: basal sheaths reddish brown; ligules shorter than wide; blades mid to dark green, V-shaped, 2.5–5(–6.2) mm wide, glabrous. <b>Inflorescences</b> 2.5–10(–13) cm; proximal bract 0.6–19 cm, shorter than or equaling inflorescence; proximal 1–3 spikes pistillate, erect; terminal 1–3 spikes staminate. <b>Pistillate</b> scales ovate, 2.2–4.5 × 1–1.7 mm, as long as or shorter than perigynia, margins entire, apex obtuse or acute, awnless. <b>Perigynia</b> spreading or reflexed, often dark-colored, obscurely few-veined, veins not running into beak, elliptic, 2.2–4.1 × 1.3–2.2 mm, abruptly contracted; beak 0.2–0.8 mm, obscurely bidentulate, smooth, teeth straight, to 0.3 mm. <b>Achenes</b> yellow, trigonous, smooth. <b>Stigmas</b> 3. <b>2n</b> = 74, 76–80.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Open wetlands, wet tundra, muskeg
|elevation=0–2000 m
|distribution=B.C.;Nfld. and Labr.;N.W.T.;Nunavut;Que.;Yukon;Alaska;ne Asia.
|discussion=<p><i>Carex membranacea</i> is common throughout arctic and high boreal regions of North America. It is noticeably absent from Greenland and occurs in Eurasia only in the Russian Far East (Chukotka and the Koryak mountains).</p><!--
--><p>Morphologically <i>Carex membranacea</i> is closest to <i>C. rotundata</i>. Leaf and stem shape easily distinguish those two species but shape is often difficult to evaluate on herbarium specimens. Leaf sheath coloration, although not a definitive character, is helpful in distinguishing between the two species. <i>Carex membranacea</i> almost always has red basal sheaths; sheaths are usually brown in <i>C. rotundata</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex membranacea
|author=
|authority=Hooker in G. F. Lyon
|rank=species
|parent rank=section
|synonyms=Carex physochlaena
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Open wetlands, wet tundra, muskeg
|elevation=0–2000 m
|distribution=B.C.;Nfld. and Labr.;N.W.T.;Nunavut;Que.;Yukon;Alaska;ne Asia.
|reference=None
|publication title=in G. F. Lyon, Attempt Repulse Bay,
|publication year=1825
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_935.xml
|genus=Carex
|section=Carex sect. Vesicariae
|species=Carex membranacea
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Vesicariae]]