Guaritonia Henry Wan (Guaritonia Why Not × Broughtonia negrilensis)

The orchid Guaritonia Henry Wan is a hybrid in the Guaritonia genus. registered with the Royal Horticultural Society by Claude Hamilton in 1995. Registered parents are Guaritonia Why Not × Broughtonia negrilensis. The key influencing species of this hybrid are Broughtonia negrilensis (50.00% ) Guarianthe aurantiaca (25.00% subgenus Circumvola section: Aurantiacae ) Broughtonia sanguinea (25.00% ) listed in order of their genetic contribution.