View source for Carex arctiformis

{{Treatment/ID
|accepted_name=Carex arctiformis
|accepted_authority=Mackenzie in N. L. Britton et al.
|publications={{Treatment/Publication
|title=in N. L. Britton et al., N. Amer. Fl.
|place=18: 97. 1931
|year=1931
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex canescens subsp. arctiformis
|authority=(Mackenzie) Calder & Roy L. Taylor
}} {{Treatment/ID/Synonym
|name=Carex heleonastes var. robustior
|authority=Kükenthal
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Glareosae;Carex arctiformis
|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. Glareosae]]</div><div class="higher-taxon"><small>species</small>[[Carex arctiformis]]</div></div>
|volume=Volume 23
|mention_page=page 319
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose, in large clumps; rhizomes short. <b>Culms</b> erect, strict, stoutish (2.5–4 mm at base), (15–)20–50 cm. <b>Leaves</b>: sheaths pale brown abaxially, inner band hyaline, concave at summit; ligules slightly longer than wide, acutish; blades pale gray-green to bluish green, flat, 10–30 cm × 2–4 mm, subequal to shorter than culms. <b>Inflorescences</b> 1.5–3(–4) cm × 8–14 mm; proximal bracts shorter than to exceeding spikes; distal bracts scalelike. <b>Spikes</b> 3–6, gynecandrous, closely approximate, proximal spikes only slightly separate, containing 15–30 perigynia, ovoid to short-oblong, 6–10 × 4–6 mm; terminal spike staminate for less than 1/2 of length, not or scarcely clavate. <b>Pistillate</b> scales dull green-white, often red-brown tinged, midvein green, margins white-hyaline, ovate, subequal to somewhat concealing perigynia, apex cuspidate to acute. <b>Perigynia</b> appressed-ascending, gray-green, sometimes dark brown in age, obscurely many-veined faces, ovate-elliptic, 2.5–3 × 1.5 mm, widest near middle, membranous; beak nearly entire or few marginal teeth. <b>Achenes</b> yellow-brown, oblong-obovate, 1.5 × 1–1.25 mm, dull to slightly glossy. <b>2n</b> = 56.</span><!--

-->{{Treatment/Body
|phenology=Fruiting May–Jun.
|habitat=Sphagnum bogs, other wet places, mostly lowlands
|elevation=0–50 m
|distribution=B.C.;Alaska.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Carex arctiformis
|author=
|authority=Mackenzie in N. L. Britton et al.
|rank=species
|parent rank=section
|synonyms=Carex canescens subsp. arctiformis;Carex heleonastes var. robustior
|basionyms=
|family=Cyperaceae
|phenology=Fruiting May–Jun.
|habitat=Sphagnum bogs, other wet places, mostly lowlands
|elevation=0–50 m
|distribution=B.C.;Alaska.
|reference=None
|publication title=in N. L. Britton et al., N. Amer. Fl.
|publication year=1931
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_561.xml
|genus=Carex
|section=Carex sect. Glareosae
|species=Carex arctiformis
}}<!--

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