It flowered first time in cultivation in the collection of Mrs Moss, to whom this spectacular orchid is dedicated.
Flower size is up to 20 cm (7,5) inches across.

| Cattleya trianae Linden & Reichenbach f. (1860.) |
| Native to Colombia; it was discovered by Sigmund Rücker in the Magdalena River area. In its natural habitats became rare due to extensive, indiscriminate collecting. |
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| The flowers can be as large as 18 cm (7 inches) across. |
| Cattleya mossiae C. S. P. Parish ex Hooker (1838.) |
| It was introduced into cultivation in 1836, when George Green importred it into Britain from La Guaira, Venezuela. |
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| It flowered first time in cultivation in the collection of Mrs Moss, to whom this spectacular orchid is dedicated. Flower size is up to 20 cm (7,5) inches across. |
| Cattleya amethystoglossa Linden & Reichenbanch f. (1864.) |
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| Closely related to C. guttata and C. leopoldii; it has somewhat different colors and color pattern. |
| Cattleya forbesii Lindley (1826.) |
| Indigenous to Brazil (Rio de Janeiro, Sao Paulo, Parana and Santa Catarina States.) |
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| Flowers are about 9 cm (4 inches across). Described for scince by John Lindley in 1826 in honor of its discoverer, H. O. Forbes, who collected tropical plants for the London Horticultural Society. |
| Laelia purpurata Lindley (1853.) |
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| It was featured before - here is a dark bluish clone of this highly variable species. |
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| Cattleya trianae Schroederiana Reichenbachia Volume I, Sries I. (1886.) |
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| Cattleya trianae var. imperatrix J.-J. Linden et al.: Iconographie des Orchidées. pl. DXXVIII |
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Cattleya labiata Trianae Alba Reichenbachia Volume I, Sries I. (1886.) |
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| Cattleya mossiae C. S. P. Parish ex Hooker (1838.) J.-J. Linden et al.: Iconographie des Orchidées. pl. CDLXXIV |
