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Marshes, bogs, shallow water of ponds, ditches.
(angry) Red-winged blackbirds.
Nearly cosmopolitan. Found throughout the U.S. but more common inland than T. angustifolia.
Rhizomatous perennial to 3 m. Leaves flat, 10-23 mm wide. Staminate and pistillate parts of the spike contiguous, or rarely separated by less than 4 mm; pistillate portion brown, 10-15 cm long and 2-3 cm thick at maturity; pistillate bracteoles lacking; pollen in tetrads.
Flowers early to mid July
Wetland indicator: Obligate
Hybrids between this and T. angustifolia are called T. x glauca Godr. Hybrids will usually show intermediate characteristics of the two parents.
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 © 2005