Flora of the Southeastern United States
2022 Edition


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Carya illinoinensis (Wangenheim) K. Koch. Pecan. Phen: Apr-May; Oct. Hab: Bottomland forests, hardwood flatwoods, swamps, margins of fields, pastures, often along larger rivers; eastwards (out of native range) introduced and persistent around dwellings and in pecan orchards, escaped to suburban woodlands, rural forest edges and floodplains, also commonly cultivated. Dist: Sw. OH, IN, IL, e. IA south to AL, MS, LA, TX, and widespread in Mexico; now also widely spread eastwards as a result of cultivation.

Origin/Endemic status: Native

Syn: = C, FNA3, Il, K1, K3, K4, Mex, Mo3, NcTx, Tn, Tx, Va, WH3; = Carya illinoensis – F, G, GrPl, GW2, RAB, orthographic variant; > Hicoria pecan – S; > Hicoria texana – S

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image of plant© Richard & Teresa Ware
image of plant© J.W. Hardin
image of plant© Keith Bradley
image of plant© Bruce A. Sorrie