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Catalpa speciosa Ward. ex Barney, Engel. in Coult. Bot. Gaz. 5. 1880. Bailey, l.c.; Parker, l.c. 379; R.R.Stewart, l.c.668.
Trees up to 30 m tall. Leaves cordate-ovate; lamina 14-21 x 11.5-17 cm, entire-undulate, acuminate, glabrous, undersurface, (especially the veins) tomentose with yellowish hairs; petiole 4-12.5 cm long. Panicle 12.5-25 cm long. Corolla tube c. 3.5 cm long; lobes 5,subequal. Capsule 24-30 cm long; cylindrical. Seeds with wing 5.5-6 x 30-35 mm; wing acutish and laciniate at the end.
Fl.Per.: April.
Type: Engelmann s.n. (MO).
Distribution: Native of U.S.A.
Sparingly introduced. Does well in a cooler climate. Parker (l.c.) reports its cultivation in Changa Manga (Lahore Dist.).
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