Compact epiphyte or terrestrial. Pseudobulbs oblong to spindle-shaped, to 9 cm long, compressed, sheathed with papery bracts. Leaves oblong, to 12 cm long, to 3.5 cm wide. Flowers to 12.5 cm wide, fragrant, white, greenish or pale purplish, labellum white to pale yellow with a pink or purplish mark at base; winter to spring. Sepals oblong to elliptic. Petals linear to narrow-oblanceolate. Labellum obscurely 3-lobed, broad-oblong, tubular at base, margins wavy. Syn. Brassavola glauca Lindl.

Mexico and C America.

Source: Jeanes, J. (2005). Orchidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.