Stems to 10 m or more; petioles 2-8 cm; lfls 5-13, lanceolate to ovate, 4-8 cm, acuminate, sharply and coarsely serrate, rounded at base; infls terminal, crowded; cal- tube 10-15 mm, the lobes 5 mm, fls 6-8 cm; fr 10-15 cm, with 2 longitudinal ridges; seeds 1.5 cm; 2n=40. Moist woods, fence-rows, and roadsides; N.J. to O. and Io., s. to Fla. and Tex., and often escaped from cult. farther n. July, Aug. (Tecoma r.; Bignonia r.)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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