The orchid Masdevallia Ted Khoe is a hybrid registered with the Royal Horticultural Society by Pui Y.Chin in 1991.
Top three species ancestors and their influences are

• Masdevallia constricta (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Saltatrices 
• Masdevallia welischii (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Coccineae