The orchid Bulbophyllum mastersianum-Meen Poison Raspberry is a hybrid . This orchid hybrid lacks official registration. The name is an internal designation created within the orchidroots system.
Top three species ancestors and their influences are

• Bulbophyllum mastersianum (50.00%)  section: Ephippium 
• Bulbophyllum bicolor (25.00%)
• Bulbophyllum frostii (25.00%)  section: Cirrhopetalum