Cattleya dormaniana (Rchb. f.) Rchb. f. 1882 SUBGENUS Laelioidea [Fowlie] Withner 1988 Photo courtesy of Wilma Braga.
Side View of flower Photo courtesy of Weyman Bussey, Plant grown by Howard Gunn.

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Common Name Dorman's Cattleya [English Orchid Enthusiast 1800's]
Flower Size 3 1/4" [8 cm]
A medium sized, cold to warm growing epiphyte from Brazil near Rio in the humid cloud topped Organ Mountains at elevations of 600 to 100 meters with water while growing and a definite rest while dormant with basally narrow, cylindrical pseudobulbs carrying 2 ellipsoid leaves that has a terminal, 4" [10 cm] long, single or occaisional 2 flowered inflorescence occuring in the fall.
Synonyms Cattleya dormaniana f. alba (L.C.Menezes) Christenson 1996; Cattleya dormaniana var. alba L.C.Menezes 1991; *Laelia dormaniana Rchb. f. 1878; Laeliocattleya dormaniana Rolfe 1889
References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae Brasilienses Pabst & Dungs 1975; Schlechteriana Vol 2 No 2 1991 photo as *C dormanniana var alba; Orchid Australia Vol 11 No 3 1999 photo; Botanica's Orchids Laurel Glen 2002; The Catttleya and their Relatives Withner Vol 1 1988; Manual of Cultivated Orchids Bechtel, Cribb and Laurent 1982; Orchids of Brazil McQueen 1993; The Brazilian Bifoliate Cattleyas and Their Color Variations Fowlie 1977; AOS Bulletin Vol 73 No 1 2004 photo; AOS Bulletin Vol 75 No 9 2006 photo; AOS Bulletin Vol 77 No 11 2008 photo;