View source for Carex rossii

{{Treatment/ID
|accepted_name=Carex rossii
|accepted_authority=Boott
|publications={{Treatment/Publication
|title=in W. J. Hooker, Fl. Bor.-Amer.
|place=2: 222. 1839
|year=1839
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex deflexa var. farwellii
|authority=Britton
|rank=variety
}} {{Treatment/ID/Synonym
|name=Carex deflexa var. media
|authority=L. H. Bailey
|rank=variety
}} {{Treatment/ID/Synonym
|name=Carex deflexa var. rossii
|authority=(Boott) L. H. Bailey
|rank=variety
}} {{Treatment/ID/Synonym
|name=Carex farwellii
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Carex novae-angliae var. rossii
|authority=(Boott) L. H. Bailey
|rank=variety
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Acrocystis;Carex rossii
|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. Acrocystis]]</div><div class="higher-taxon"><small>species</small>[[Carex rossii]]</div></div>
|volume=Volume 23
|mention_page=page 532, 533, 537, 548
|treatment_page=page 536
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose; rhizomes usually ascending, occasionally horizontally spreading, dark reddish brown to purplish brown, 0–10 mm, stout. <b>Culms</b> ascending, 7–30(–40) cm, weakly to strongly scabrous distally; bases (remnants of old leaves) slightly fibrous. <b>Leaf</b> blades pale to dark green, usually equaling or exceeding stems, occasionally shorter, 0.8–2.5(–4) mm wide, herbaceous, glabrous abaxially, strongly scabrous to papillose adaxially. <b>Inflorescences</b> with both staminate and pistillate spikes; peduncles of basal pistillate spikes erect, elongate, slender; peduncles of staminate spikes 1.1–10 mm; proximal nonbasal bracts leaflike, exceeding inflorescences. <b>Spikes</b>: proximal pistillate spikes 2–4 (basal spikes 1–2); cauline spikes overlapping or somewhat separated, with 3–10(–15) perigynia; staminate spikes (4.8–)6–12.8 × (0.7–) 0.9–1.3(–2.5) mm. <b>Scales</b>: pistillate scales pale to dark reddish brown, with narrow white margins, ovate, 2.9–5.7 × 1.4–2.3 mm, shorter than perigynia, apex acute or acuminate to long-acuminate; staminate scales lanceolate, 3.2–5.8 × 1.2–1.8 mm, apex acuminate. <b>Anthers</b> 1.2–2 mm. <b>Perigynia</b> green to pale brown, veinless, ellipsoid to obovoid, 3.1–4.5 × 1.4–1.7 mm; beak straight or slightly bent, pale green, occasionally with reddish brown tinge, 0.9–1.7 mm, ciliate-serrulate, apical teeth 0.2–0.4 mm. <b>Stigmas</b> 3. <b>Achenes</b> brown, globose to obovoid or ellipsoid, obtusely trigonous in cross section, 1.9–2.4 × 1.3–1.7 mm. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Fruiting mid Apr–early Sep.
|habitat=Moist or dry, sandy or rocky, open montane pine, fir, and spruce woodlands, sagebrush slopes, deciduous wooded slopes, prairies, alpine meadows
|elevation=210–3700 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mich.;Minn.;Mont.;Nebr.;Nev.;N.Mex.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Carex rossii
|authority=Boott
|rank=species
|parent rank=section
|synonyms=Carex deflexa var. farwellii;Carex deflexa var. media;Carex deflexa var. rossii;Carex farwellii;Carex novae-angliae var. rossii
|basionyms=
|family=Cyperaceae
|phenology=Fruiting mid Apr–early Sep.
|habitat=Moist or dry, sandy or rocky, open montane pine, fir, and spruce woodlands, sagebrush slopes, deciduous wooded slopes, prairies, alpine meadows
|elevation=210–3700 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mich.;Minn.;Mont.;Nebr.;Nev.;N.Mex.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|reference=None
|publication title=in W. J. Hooker, Fl. Bor.-Amer.
|publication year=1839
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_1006.xml
|genus=Carex
|section=Carex sect. Acrocystis
|species=Carex rossii
}}<!--

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