The orchid Phalaenopsis Heah Cheng Sui is a hybrid in the Phalaenopsis genus. registered with the Royal Horticultural Society by OSSEA in 2018. It is originated by Su Nan Hui Registered parents are Phalaenopsis True Lady × Phalaenopsis Siam Treasure. The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.