Carex scopulorum var. prionophylla
Syst. Bot. Monogr. 7: 86. 1985.
IllustratedEndemic
Basionym: Carex prionophylla T. Holm Amer. J. Sci. 164: 423. 1902
Synonyms: Carex miserabilis Mackenzie
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
Distribution
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B.C., Idaho, Mont., Wash.
Discussion
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
None.
Lower Taxa
None.