Catalpa speciosa (Warder) Warder ex Engelmann. Northern Catalpa. Phen: May-Jul; Jul-Aug. Hab: Bottomland forests, stream banks, and mesic upland forests (as a native), also old fields, roadsides, moist disturbed areas, suburban woodlands, eastwards of its native range escaped or persistent after cultivation, and sometimes thoroughly naturalized. Dist: Apparently native in the upper Mississippi River Embayment of s. IN and s. IL, south to w. TN and e. AR; early naturalized in a more widespread area.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, G, GrPl, Il, K1, K3, K4, Mi, NE, NeUS, NY, Pa, RAB, S, Tn, Tx, Va, W, Manning (2000), Olsen & Kirkbride (2017)

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