The orchid Dendrobium Darlington Joy is a hybrid registered with the Royal Horticultural Society by H.A.Wilson in 2018.
Top three species ancestors and their influences are

• Dendrobium speciosum (50.00%)
• Dendrobium bigibbum (25.00%)  section: Phalaenanthe 
• Dendrobium kingianum (25.00%)  section: Dendrocoryne