Rhizomatous perennial, 1-3 dm, prostrate or loosely ascending, spreading-hairy, at least on the stem; lvs all opposite, ovate, broad-based and sessile or nearly so, 1.5-3 נ0.8-2 cm, 1-2 times as long as wide, coarsely crenate-serrate with mostly 5-11 teeth per side; racemes axillary, pedunculate, loose, the 10-20 fls evidently pedicellate; pedicels 5-9 mm at maturity, surpassing the subtending, alternate bracts; cor blue, 8-12 mm wide; style 3-5 mm; fr (rarely produced) 3-3.5 mm, broadly triangular-obcordate, with apparently about 6 seeds per locule; 2n=16, 32. A weed in lawns and open, mostly disturbed sites; native of Europe, intr. in much of our range. May-June.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
©The New York Botanical Garden. All rights reserved. Used by permission.
From Flora of Indiana (1940) by Charles C. Deam
This species was first collected in 1924 by A. R. Bechtel in the Crawford woods near Crawfordsville, Montgomery County. He made a second collection in 1935 and he says it is well established there.
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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