View source for Carex mertensii

{{Treatment/ID
|accepted_name=Carex mertensii
|accepted_authority=J. D. Prescott ex Bongard
|publications={{Treatment/Publication
|title=Mém. Acad. Imp. Sci. St. Pétersbourg Divers Savans
|place=2: 168. 1832
|year=1832
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex columbiana
|authority=Dewey
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Racemosae;Carex mertensii
|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. Racemosae]]</div><div class="higher-taxon"><small>species</small>[[Carex mertensii]]</div></div>
|volume=Volume 23
|mention_page=page 403
|treatment_page=page 407
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose. <b>Culms</b> 30–80 cm, distally scabrous. <b>Leaves</b> basal and cauline, 4–8 mm wide; proximal leaves reduced to sheaths. <b>Inflorescences</b>: proximal bracts usually exceeding, occasionally shorter than, inflorescences; spikes separate, the proximal often distant, pendent, long-pendunculate, elongate, cylindric or clavate, 10–40 × 7–9 mm; lateral 4–6(–9) spikes pistillate; terminal spike gynecandrous. <b>Pistillate</b> scales dark brown or black to margins, ovate or lanceolate, conspicuously shorter and narrower than perigynia, midvein lighter colored than body, conspicuous, often raised, prominent, mucronate. <b>Perigynia</b> ascending, green becoming pale yellow or brown, faintly veined, ovate, 4–5 × 2.5–3.5 mm, apex gradually beaked, smooth; beak 0.3–0.4 mm, truncate or obscurely bidendate, smooth. <b>Achenes</b> filling proximal 1/2 or less of perigynia. <b>2n</b> = 62.</span><!--

-->{{Treatment/Body
|phenology=Fruiting Jun–Aug.
|habitat=Open forests, meadows, stream banks
|elevation=0–2000 m
|distribution=Alta.;B.C.;Alaska;Calif.;Idaho;Mont.;Oreg.;Wash.;Asia.
|discussion=<p><i>Carex mertensii</i> is represented in Japan and the Russian Far East by the vicariant C. urostachys Franchet [<i>C. mertensii</i> J. D. Prescott var. urostachys (Franchet) Kükenthal].</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex mertensii
|author=
|authority=J. D. Prescott ex Bongard
|rank=species
|parent rank=section
|synonyms=Carex columbiana
|basionyms=
|family=Cyperaceae
|phenology=Fruiting Jun–Aug.
|habitat=Open forests, meadows, stream banks
|elevation=0–2000 m
|distribution=Alta.;B.C.;Alaska;Calif.;Idaho;Mont.;Oreg.;Wash.;Asia.
|reference=None
|publication title=Mém. Acad. Imp. Sci. St. Pétersbourg Divers Savans
|publication year=1832
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_730.xml
|genus=Carex
|section=Carex sect. Racemosae
|species=Carex mertensii
}}<!--

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