The orchid Dendrobium Doctor Poyck is a hybrid registered with the Royal Horticultural Society by Dr Poyck in 1984. It is originated by T.Orchids
Top three species ancestors and their influences are

• Dendrobium bigibbum var. superbum (42.48%)
• Dendrobium bigibbum (21.34%)  section: Phalaenanthe 
• Dendrobium bigibbum var. schroederianum (17.04%)