Description: "Trees 5-15 m tall. Leaves bipinnately compound with 13-31 pinnae, each with 13-41 sessile leaflets, these 0.3-1.2 cm long, 0.1-0.4 cm wide, glabrous or slightly puberulent along the midrib and margins. Flowers in open, terminal panicles, the branches puberulent, calyx reduced, broadly campanulate, 5-toothed, the teeth ca 1 mm long; corolla purplish blue, the tube white within, 2.4-5.2 cm long, 0.7-1.2 cm wide at the mouth, pubescent externally and within at the level of the stamens. Capsules drying reddish brown, compressed-orbicular, 3.2-5.8 cm long, apex often shallowly emarginate, base truncate to subcordate. Seeds 0.9-1.2 cm long, the wing more or less surrounding the seed body." (Wagner et al., 1999; p. 387) "Tree to 15 m high"; leaves 15-40 cm long, the pinnae on each side of midrib 10-23, the leaflets numerous, the blades oblong, 5-10 x 2-3.5 mm; panicles lax, to 30 cm long, the flowers abundant; calyx to 2.5 mm long, the lobes less than 1 mm long; corolla 3-4 cm long, blue-lavender to purple, paler in throat; capsule suborbicular, 4.5-6 cm broad" (Smith, 1991; p. 146). Habitat/ecology: In Hawai‘i, a popular ornamental now naturalized in relatively dry to mesic areas (Wagner et al., 1999; p. 387). Propagation: Wind-dispersed seed. Native range: Northwestern Argentina and adjacent Bolivia, widely cultivated in warm and tropical regions.