Resembling Pediomelum, but the cal flaring back and tearing along a lateral sinus in fr; fr indehiscent, densely glandular, rotund to ovate or shortly elliptic in profile; x=11. (Often included in Psoralea) 3, N. Amer.
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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