Taxonomy
Family: Cyperaceae
Section Vulpinae
Habitat
Wet meadows.
Associates
Distribution
Quebec and ME to MI, MN, and Saskatchewan, south to NJ, IN, and MO.
Morphology
Tufted perennial; stems 40-80 cm, stout but soft, 2-3 mm wide pressed, usually shorter than the leaves; main leaves 3-6 mm wide; sheaths somewhat prolonged at the apex, smooth, fragile, red-spotted; inflorescence 2-4 cm, slender, simple or compound, the lower spikes sometimes separated; scales triangular ovate, usually shorter than the perigynia; perigynia maturing to golden-brown, flatly planoconvex, ovate, 3.2-3.8 mm long and half as wide, rounded at the base, faintly 2-3-nerved dorsally, nerveless ventrally, tapering to a rough beak 2/3 to nearly as long as the body.
Notes
Fruiting late June to July
Wetland indicator: FACW
Can be distinguished from other members of section Vulpinae by the combination of ovate perigynia with short beaks and smooth, fragile sheaths.
References
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of
Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
© Michael Hough 2018 |