Prunus angustifolia Marshall. Subgenus: Prunus. Chickasaw Plum, Sandhill Plum. Phen: (Late Feb-) Mar-Apr; May-early Jul. Hab: Prairies, sand barrens, river banks, old fields, fencerows, abandoned fields, pastures, roadsides, disturbed areas; often in sandy or rocky soil. Dist: NJ, PA, IN, IL, MO, NE, and CO, south to FL, TX, and e. NM. The original native distribution is unclear; much of its more eastern distribution may be the result of early spread by native Americans.

Origin/Endemic status: Native

Synonymy: = Ar, C, Fl3, FNA9, G, Il, K3, K4, Mi, NcTx, Pa, RAB, S, Tat, Tn, Tx, Va, W, WH3, WV, Robertson (1974); > Prunus angustifolia Marshall – S13; > Prunus angustifolia Marshall var. angustifolia – F, GrPl, K1; > Prunus angustifolia Marshall var. watsonii (Sarg.) Waugh – F, GrPl, K1; > Prunus watsonii Sarg. – S13

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Heliophily: 8