The Collaborative International Dictionary of English v.0.48:

Gymnadeniopsis \Gymnadeniopsis\ n.
   A genus of North American terrestrial orchids usually
   included in the genus Habenaria.

   Syn: genus Gymnadeniopsis.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Gymnadeniopsis
    n 1: genus of North American terrestrial orchids usually
         included in genus Habenaria [syn: Gymnadeniopsis, genus
         Gymnadeniopsis]