Decumbent or loosely erect, to 1 m; fls blue-violet; pods coiled into 1.5-4 complete turns. Native of the Caspian area, widely cult. and escaped in temperate regions, found throughout the U.S. and s. Can.

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

Extensively used throughout the state for grazing and fodder. It has become a frequent escape along roadsides and more rarely along railroads and in waste places and open woodland. I have rarely collected this and the next species [Medicago lupulina] so that the maps do not indicate the frequency with which this plant has escaped.

.……

Indiana Coefficient of Conservatism: C = null, non-native

Wetland Indicator Status: FACU