Difference between revisions of "Carex crus-corvi"
in G. Kunze, Suppl. Riedgräs., 128. 1842.
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name=Carex crus-corvi | name=Carex crus-corvi | ||
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|publication year=1842 | |publication year=1842 | ||
|special status=Illustrated;Endemic | |special status=Illustrated;Endemic | ||
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|genus=Carex | |genus=Carex | ||
|section=Carex sect. Vulpinae | |section=Carex sect. Vulpinae | ||
Latest revision as of 20:40, 5 November 2020
Plants with basal sheaths of previous year persistent, entire. Culms to 90 cm × 5 mm, scabrous. Leaves: sheaths all with blades, fronts smooth, red spotted, indistinctly linearly veined, apex red-brown, membranous, truncate, minutely ciliate; ligules rounded, 2 mm, free limb to 0.5 mm; blades glaucous, not epistomic, to 90 cm × 12 mm. Inflorescences densely spicate, cylindric, elongate, with 15–25 distinguishable branches, 10–20 × 6 cm; proximal internode to 10 mm; proximal bracts setaceous, apparent. Scales hyaline. Perigynia pale brown, red-brown distally, 10–12-veined abaxially, 5-veined adaxially, to 8 mm, body to 1.2 mm wide, base to 2.2 mm wide, base distended proximally forming disk, cordate; stipe to 0.9 mm; beak to 4.5 mm, mouth deeper abaxially, serrulate, apical teeth somewhat spreading. Achenes ovate, 2.5 × 1.4 mm; stalk to 0.2 mm; persistent style base cylindric, 0.3 mm. 2n = 52.
Phenology: Fruiting May–Aug.
Habitat: Seasonally saturated or inundated soils in wet meadows, marshes, swamps, alluvial bottomlands
Elevation: 0–1000 m
Distribution
Ont., Ala., Ark., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Mo., Nebr., N.C., Okla., Ohio, S.C., Tenn., Tex., Va., W.Va.
Discussion
Primarily a species of the Mississippi drainage, Carex crus-corvi also occurs along the coastal plain.
Selected References
None.