The flowers are white, musky-scented, hanging, and about 10 inches long. The calyx splits down one side. The fruit is smooth, 2.5 inches long. Native to tropical America. May be distinguished from D. arborea by the extreme length of the leaves and from D. suaveolens by the calyx and the leaves.
Cuttings root slowly.
The calyx is inflated, with five obscure teeth. Native to Brazil. May be distinguished from D. arborea and D. candida by the five-toothed calyx. The flowers are 8 to 10 inches long, drooping, brilliant orange-red with yellow veins, not fragrant. The fruit is top-shaped, spineless, 3.5 inches long.