Cyperus strigosus - (image 1 of 4)
Taxonomy
Family: Cyperaceae
Habitat
Moist soil. Cultivated ground.
Associates
Distribution
Quebec west to MN and SD, south to FL and TX, and irregularly to the Pacific.
Morphology
Rhizomatous perennial to 60 cm, occasionally to 1 m. Leaves crowded towards the base, mostly 2-10 mm wide. Spikelets racemose, more than 1 mm wide; scales 3 mm or more long, straw-colored; scale tips overlapping the scale above on the rachis; stigmas 3; Achenes trigonous, longer than broad.
Notes
Flowers July to September
Wetland Indicator: Facultative Wetland +
A "weedy" species that is adapted to disturbance.
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
Swink, F. and G.
Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
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Michael Hough © 2009 |