Erect, rhizomatous, usually robust perennial to 15 dm; stipules connate, lanceolate to deltoid, 3-18 mm; lfls 15-35, oblong or elliptic, 1-4 cm, strigose beneath with malpighian hairs; racemes long-peduncled, 5-15 cm, with spreading or somewhat reflexed, white or ochroleucous fls 12-17 mm; pods numerous, crowded, erect, 10-15 mm, bilocular, subterete with the ventral suture keeled, glabrous, or seldom short-hairy; 2n=16. Open woods, river-banks, and shores, usually in moist soil; throughout most of the U.S. and s. Can.; Siberia. June-Aug.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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Indiana Coefficient of Conservatism: C = 9

Wetland Indicator Status: FAC