The Collaborative International Dictionary of English v.0.48:

Habenaria \Habenaria\ prop. n.
   A genus of chiefly terrestrial orchids with tubers or fleshy
   roots often having long slender spurs and petals and lip
   lobes; it includes species formerly placed in the genus
   Gymnadeniopsis.

   Syn: genus Habenaria.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Habenaria
    n 1: chiefly terrestrial orchids with tubers or fleshy roots
         often having long slender spurs and petals and lip lobes;
         includes species formerly placed in genus Gymnadeniopsis
         [syn: Habenaria, genus Habenaria]