Disocactus alatus (K. Sch.) Kimnach

Syn: Pseudorhipsalis alata (K. Sch.) Br. & R. Rhipsalis coriacea Polak

"A branching epiphytic shrub with cylindrical stems and flat, lanceolate branches 6-10 inches lonf and about 3/4 inch wide. The marginal, gray woolly areoles are without spines or bristles. Flowering diurinally in late spring, the flowers are greenish whit to yellowish white, and bout 2/3-inch long. Requires light shade normal cacus compost; minimum temperature 59 degrees F. Jamaica" (The Illustrated Encyclopedia of Cacti, Clive Innes & Charles Glass, 1991)