Difference between revisions of "Carex rupestris"
Fl. Pedem. 2: 264. 1785.
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|common_names=Carex des rochers | |common_names=Carex des rochers | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
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|basionyms= | |basionyms= | ||
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|publication title=Fl. Pedem. | |publication title=Fl. Pedem. | ||
|publication year=1785 | |publication year=1785 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_1058.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Rupestres | |section=Carex sect. Rupestres | ||
Revision as of 21:30, 27 May 2020
Rhizomes brown or black, scaly. Culms 4–20 cm. Leaf blades channeled, tips soon becoming brown and dry, 2–12 cm × 1–3 mm. Spike with 3–15 pistillate flowers, 8–20 × 1.5–4 mm. Pistillate scales brown, margins hyaline, midvein paler, circular-ovate 2.5–4 × 1.4–2.6 mm, apex obtuse, often concealing perigynia. Staminate scales brown, margins hyaline, midvein paler, oblong-lanceolate to obovate, 2.5–3.5 × 1.4–2 mm, apex acute or obtuse. Perigynia 2.5–4 × 1–2 mm. Achenes oblong-obovoid, 2.2–2.5 × 1.5 mm. 2n = 52.
Phenology: Fruiting late spring–summer.
Habitat: Dry to mesic heaths, meadows, rock outcrops, talus slopes
Elevation: 0–2000 m
Distribution
Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Ont., Que., Yukon, Alaska, Colo., Mont., S.Dak., Utah, Wyo., Eurasia.
Discussion
Carex rupestris can be confused with C. obtusata if collected without the rhizomes. They may be distinguished by the presence of reddish dots on the sheath fronts of the culm leaves in C. obtusata and the absence of dots in C. rupestris.
Selected References
None.