Opuntia macrorhiza Engelmann. Tuberous-rooted Prickly-pear, Plains Prickly-pear. Phen: May-Jun; Aug-Dec (-Feb). Hab: Sandy or silty prairies, glades, limestone rock outcrops. Dist: Mostly of the southwestern United States and northern Mexico, w. LA, AR, MO into the Midwestern states; in our range only occurring in w. MS in Yazoo, Holmes, and Bolivar counties.
Origin/Endemic status: Native
Syn: = FNA4, Il, K3, K4, NcTx; = Opuntia macrorhiza var. macrorhiza – GrPl, Tx
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© Erik Danielson source