Occurs mainly in N.C., Tenn., and n. Ga. and is locally escaped northward. It has broad, clasping stipules, mostly more than 1 cm wide, and villous, often denser infl and pods, the pods erect or strongly ascending. (T. caroliniana)

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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