Evolvulus nuttallianus Roemer & J.A. Schultes. Shaggy Dwarf Morning-glory. Phen: (Apr-) May-Jun (-Oct). Hab: Calcareous glades and barrens, westwards in rocky or gravelly calcareous outcrops. Dist: MO, NE, SD, w. ND, MT and UT south to AR, c. TX, NM, AZ, and Mexico; disjunct in c. TN (Chester, Wofford, & Kral 1997).

Origin/Endemic status: Native

Synonymy: = Ar, F, FNA, GrPl, Il, K1, K3, K4, Mex, NcTx, Tn, Tx, Harms (2014), Wilson (1960b); = Evolvulus nuttalianus – C, orthographic variant; = Evolvulus pilosus Nutt. – G, van Ooststroom (1934)

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