The orchid Disa Kewbett is a hybrid registered with the Royal Horticultural Society by Mrs J.van Niekerk in 1982.
Top three species ancestors and their influences are

• Disa uniflora (68.75%)  section: Disa 
• Disa tripetaloides (25.00%)  section: Disa 
• Disa racemosa (6.25%)  section: Disa