Taxonomy
Family: Cyperaceae
Section Vulpinae
Habitat
Low open ground.
Associates
Distribution
Newfoundland to AK, south to FL, NM, and CA.
Morphology
Stems to 1 m, stout, clustered, spongy, with 3-6 leaves, sharply angled and winged; leaves yellow-green, 5-10 mm wide, flat, margin scabrous; sheaths corrugate, ventrally thin, prolonged at the summit; inflorescence 1-3 x 3-10 cm; spikes numerous, androgynous, few-flowered, small, bracts thin and curved; scales short cuspidate, much shorter than perigynia; perigynia 4-6 mm long, greenish or somewhat stramineous, spongy-thickened at the base, gradually narrowing from the base to the tip, widely spreading; achene lenticular; stigmas 2.
Notes
Fruiting June to August
Wetland indicator: OBL
Also called Saw-beak Sedge. An odd common name that may have originated from a typo on the USDA PLANTS website is owlfruit sedge.
References
Curtis, L. 2006. Woodland Carex of the upper Midwest. Lake Villa, IL.
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
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
© Michael Hough 2010 |