The orchid Rhyncattleanthe Mary Vaux Walcott is a hybrid in the Rhyncattleanthe genus. registered with the Royal Horticultural Society by F.Clarke in 2020. Registered parents are Rhyncattleanthe Carolina Orange D'Or × Cattlianthe Trick or Treat. The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.