Masdevallia datura

This orchid species from Ecuador has flowers that resemble the flowers of the Datura or Moonflower plant, thus the name. The flowers are huge for the size of the plant and a more complete description and and another picture can be found here: orchidsinbloom-ron.blogspot.com/2011/04/masdevallia-datur.... The flower also has a faint lily-like scent.