The orchid Masdevallia Southern Sun is a hybrid registered with the Royal Horticultural Society by J.Page in 1992.
Top three species ancestors and their influences are

• Masdevallia veitchiana (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Coccineae 
• Masdevallia hirtzii (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Saltatrices