The orchid Rhyncholaeliocattleya Willy's Grandiosum is a hybrid in the Rhyncholaeliocattleya genus. registered with the Royal Horticultural Society by W.Baden in 2020. Registered parents are Rhyncholaeliocattleya Mem. Isabel Keenan × Cattleya Gloria Blake. The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.