Difference between revisions of "Carex rupestris"

Allioni

Fl. Pedem. 2: 264. 1785.

Common names: Carex des rochers
Illustrated
Synonyms: Carex drummondiana Dewey
Treatment appears in FNA Volume 23. Treatment on page 556. Mentioned on page 553.
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|name=Carex drummondiana
 
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|genus=Carex
 
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|section=Carex sect. Rupestres
 
|section=Carex sect. Rupestres

Latest revision as of 20:38, 5 November 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

V23 1058-distribution-map.jpg

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.

Lower Taxa

None.
... more about "Carex rupestris"
Peter W. Ball +
Allioni +
Rupestres +
Carex des rochers +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, Ont. +, Que. +, Yukon +, Alaska +, Colo. +, Mont. +, S.Dak. +, Utah +, Wyo. +  and Eurasia. +
0–2000 m +
Dry to mesic heaths, meadows, rock outcrops, talus slopes +
Fruiting late spring–summer. +
Carex drummondiana +
Carex rupestris +
Carex sect. Rupestres +
species +