The orchid Disa Constantia is a hybrid registered with the Royal Horticultural Society by S.& M.Cywes in 1992.
Top three species ancestors and their influences are

• Disa uniflora (75.00%)  section: Disa 
• Disa tripetaloides (12.50%)  section: Disa 
• Disa racemosa (12.50%)  section: Disa