The Collaborative International Dictionary of English v.0.48:

Epacris \Ep"a*cris\ ([e^]p"[.a]*kr[i^]s), n. [NL., from Gr.
   'e`pakros pointed at the end. So called in allusion to the
   sharply pointed leaves.] (Bot.)
   A genus of shrubs, natives of Australia, New Zealand, etc.,
   having pretty white, red, or purple blossoms, and much
   resembling heaths.
   [1913 Webster]

WordNet (r) 3.0 (2006):

epacris
    n 1: any heathlike evergreen shrub of the genus Epacris grown
         for their showy and crowded spikes of small bell-shaped or
         tubular flowers