Shrub 3-6(-9) dm, glabrous or inconspicuously strigillose; petioles 4-8 mm; lfls 6-15 pairs, 5-15 mm, conspicuously punctate beneath; racemes 3-7 cm, solitary at the branch-tips; fr 5 mm, strongly glandular, not hairy; otherwise much like no. 1 [Amorpha canescens Pursh]. Dry prairies; Io. and Minn. to Sask., Kans., Colo., and N.M. June, July. (A. microphylla)
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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