Difference between revisions of "Carex saximontana"
Bull. Torrey Bot. Club 33: 439. 1906.
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|common_names=Rocky Mountain sedge | |common_names=Rocky Mountain sedge | ||
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| + | |code=F | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1906 | |publication year=1906 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_1070.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Phyllostachyae | |section=Carex sect. Phyllostachyae | ||
Latest revision as of 20:38, 5 November 2020
Culms 2.5–34 cm. Leaves: basal sheaths pale to medium brown; blades dark green to greenish glaucous, 1.9–4.9 mm wide, longer than stems, coriaceous, margins white-hyaline, smooth or scabrous. Lateral spikes 0–2, basal, on erect peduncles. Terminal spikes with staminate portion 2–3-flowered, 1.6–3.4 × 0.5–1.6 mm; pistillate portion 2–6-flowered. Pistillate scales green; proximal scales with margins 2.4–4.6 mm wide, essentially concealing perigynia, apex acute; distal scales lanceolate to ovate, apex awned to acute. Staminate scales green or white, ovate to oblong, 1.5–3 × 1–1.6 mm, margins connate near base or for entire length, enfolding scales above, white or with brown subapical band, apex obtuse. Anthers 1–1.5 mm. Perigynia pale green, obovoid, 3.2–4.9 × 1.6–2.5 mm, tightly enveloping achenes, apex abruptly tapered, papillose on distal 1/3; beak 0.6–1.2 mm, scabrous. Stigmas clavate, erect, short, thick, minutely papillose. Achenes pale to dark brown, obpyriform, 2.5–3 × 1.6–2.4 mm. 2n = 64.
Phenology: Fruiting spring–summer (late May–mid Jul).
Habitat: Moist to dry, open prairies, pine, and deciduous woodlands, on ridges and slopes
Elevation: 200–2100 m
Distribution
Man., Ont., Sask., Colo., Minn., Mont., Nebr., N.Dak., S.Dak., Wyo.
Discussion
Selected References
None.