in A. L. P. de Candolle and C. de Candolle,Monographiae Phanerogamarum 9: 621. 1896.
Plants flowering 0.4–1.3 m. Leaves erect, yellow-green, to 45 cm, covered with conspicuous, white, chalky powder, especially toward base; sheath pale, elliptic; blade triangular, apex acute. Inflorescences: scapes erect; bracts subfoliaceous, laxly imbricate; inflorescences 2-pinnate (rarely simple), with 2–8 lateral branches; spikes 15–50-flowered, erect, stipitate; floral bracts yellow-green, broadly ovate, 6–8 mm. Flowers diurnal; sepals yellow-green, obovate, 1–1.2 cm, leathery, apex obtuse, surfaces glabrous; petals erect to very slightly spreading, white, elliptic, 1–1.2 cm; style included, stigma erect, simple. Fruits ellipsoid, 1.2–1.4 cm.
Phenology: Flowering fall–winter.
Habitat: Epiphytic on a variety of hosts, usually in strong light
Elevation: 0–30 m
Fla., Mexico, West Indies, Central America, South America.