The orchid Paphiopedilum Macabre is a hybrid registered with the Royal Horticultural Society by Orchid Zone in 1990. It is originated by T.Root
Top three species ancestors and their influences are

• Paphiopedilum sukhakulii (53.13%)  subgenus Sigmatopetalum  section: Planipetalum 
• Paphiopedilum callosum (25.00%)  subgenus Sigmatopetalum  subsection: Barbata 
• Paphiopedilum superbiens (12.50%)  subgenus Sigmatopetalum  subsection: Loripetalum