Astragalus distortus Torrey & A. Gray var. engelmannii (E. Sheldon) M.E. Jones. Engelmann's Milkvetch. Phen: Feb-May. Hab: Open pine or oak woodlands. Dist: AR, TX, and w. LA; disjunct eastward in MS (?) (NatureServe 2007).
Origin/Endemic status: Endemic
Synonymy: Astragalus distortus Torr. & A.Gray var. engelmannii (E.Sheld.) M.E.Jones; = Ar, K1, K3, K4, NcTx, SE3, Tx, Barneby (1964), Isely (1998)
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