The orchid Masdevallia Amethyst is a hybrid registered with the Royal Horticultural Society by T.Hill in 1990.
Top three species ancestors and their influences are

• Masdevallia uniflora (50.00%)
• Masdevallia glandulosa (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Masdevallia