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Various. Includes dry and mesic prairies, pastures, thickets, sandy oak savanna.
Southern Canada and most of the U.S. except CA and FL.
Aromatic, perennial herb. Leaves opposite, petiolate, acuminate, more or less serrate. Flowers in solitary, terminal clusters; corolla lavender, the upper lip nearly straight, softly pubescent and densely villous at the apex; stamens surpassing the upper lip.
Flowers late June to early October
Wetland indicator: Facultative Upland
An attractive species that is easy to grow in full sun and is drought tolerant.
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.
Michael Hough © 2005