Paphiopedilum Al Mertz (Paphiopedilum Macabre × Paphiopedilum William Mathews)

This orchid is a Paphiopedilum hybrid registered with the RHS. The key influencing species of this hybrid are Paphiopedilum sukhakulii (26.56% subgenus Sigmatopetalum section: Planipetalum ) Paphiopedilum lawrenceanum (25.00% subgenus Sigmatopetalum subsection: Barbata ) Paphiopedilum mastersianum (25.00% subgenus Sigmatopetalum section: Blepharopetalum )