Rhyncholaeliocattleya Gordon Siu (Cattleya Radians × Rhyncholaeliocattleya Hartland)

The orchid Rhyncholaeliocattleya Gordon Siu is a hybrid in the Rhyncholaeliocattleya genus. registered with the Royal Horticultural Society by Siu in 1951. Registered parents are Cattleya Radians × Rhyncholaeliocattleya Hartland. The key influencing species of this hybrid are Cattleya dowiana (21.88% subgenus Cattleya section: Cattleya ) Cattleya dowiana var. aurea (18.75% ) Cattleya labiata (18.75% subgenus Cattleya section: Cattleya ) listed in order of their genetic contribution.