Carex scopulorum var. prionophylla

(Holm) L. A. Standley

Syst. Bot. Monogr. 7: 86. 1985.

Basionym: Carex prionophylla T. Holm Amer. J. Sci. 164: 423. 1902
Synonyms: Carex miserabilis Mackenzie
Treatment appears in FNA Volume 23. Treatment on page 400. Mentioned on page 397, 399.

Culms 35–90 cm, scabrous on angles. Leaves: proximal sheaths red-brown, fronts with (red) pale brown spots, prominently ladder-fibrillose, bladeless, glabrous, backs scabrous; leaf blades 3–6 mm wide. Perigynia ellipsoid to obovoid, apex acute. 2n = 74.

Phenology: Fruiting Jul–Aug.
Habitat: Wet subalpine meadows
Elevation: 1000–1400 m


Carex scopulorum var. prionophylla usually occurs at somewhat lower elevations than var. bracteosa. Where the two are sympatric, they can be distinguished by the bladeless, ladder-fibrillose basal sheaths and the narrower ellipsoid perigynia of var. prionophylla.

Selected References


Lower Taxa

Lisa A. Standley +, Jacques Cayouette +  and Leo Bruederle +
(Holm) L. A. Standley +
Carex prionophylla +
B.C. +, Idaho +, Mont. +  and Wash. +
1000–1400 m +
Wet subalpine meadows +
Fruiting Jul–Aug. +
Syst. Bot. Monogr. +
Illustrated +  and Endemic +
Carex miserabilis +
Carex scopulorum var. prionophylla +
Carex scopulorum +
variety +