Short-lived perennial, 1-2 m tall, strongly glandular-viscid. Stem lvs sessile, ± broad-elliptic, ± amplexicaul, puberulent, especially on veins; apex acute to abruptly acuminate; lower lvs to c. 50 × 30 cm, the upper much smaller. False raceme narrow, dense, with few branches; fls numerous, fragrant. Calyx 1.5-2 cm long; teeth 4-5 mm long, 4 narrow-triangular, 1 ovate, all short-acuminate. Corolla salverform, white; tube 6-8.5 cm long, ± fusiform; lobes 0.5-1.3 cm long, triangular-ovate, acute to short-acuminate, becoming somewhat reflexed. Capsule 1.5-2 cm long, ovoid. Seed 0.5-0.75 mm long, oblong or irregular, rugulose.
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