The orchid Phalaenopsis Tan Swee Kim is a hybrid registered with the Royal Horticultural Society by Tan Siew Fong in 1985. It is originated by Tan Chin Heong
Top three species ancestors and their influences are

• Phalaenopsis violacea (75.00%)  subgenus Polychilos  section: Zebrinae 
• Phalaenopsis cornu-cervi (25.00%)  subgenus Polychilos  section: Polychilos