The orchid Disa John Gay is a hybrid registered with the Royal Horticultural Society by H.H.Taylor in 2015.
Top three species ancestors and their influences are

• Disa uniflora (94.53%)  section: Disa 
• Disa tripetaloides (3.13%)  section: Disa 
• Disa racemosa (2.34%)  section: Disa