Difference between revisions of "Carex rossii"
in W. J. Hooker, Fl. Bor.-Amer. 2: 222. 1839.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex rossii | |accepted_name=Carex rossii | ||
| − | |accepted_authority=Boott | + | |accepted_authority=Boott |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in W. J. Hooker, Fl. Bor.-Amer. | |title=in W. J. Hooker, Fl. Bor.-Amer. | ||
|place=2: 222. 1839 | |place=2: 222. 1839 | ||
|year=1839 | |year=1839 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex rossii | name=Carex rossii | ||
| − | |authority=Boott | + | |authority=Boott |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|publication title=in W. J. Hooker, Fl. Bor.-Amer. | |publication title=in W. J. Hooker, Fl. Bor.-Amer. | ||
|publication year=1839 | |publication year=1839 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_1006.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Acrocystis | |section=Carex sect. Acrocystis | ||
Latest revision as of 20:37, 5 November 2020
Plants densely cespitose; rhizomes usually ascending, occasionally horizontally spreading, dark reddish brown to purplish brown, 0–10 mm, stout. Culms ascending, 7–30(–40) cm, weakly to strongly scabrous distally; bases (remnants of old leaves) slightly fibrous. Leaf 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. Inflorescences 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. Spikes: 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. Scales: 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. Anthers 1.2–2 mm. Perigynia 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. Stigmas 3. Achenes brown, globose to obovoid or ellipsoid, obtusely trigonous in cross section, 1.9–2.4 × 1.3–1.7 mm. 2n = 36.
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.
Discussion
Selected References
None.