The Collaborative International Dictionary of English v.0.48:

Menziesia \Menziesia\ prop. n.
   A genus of deciduous shrubs of North America and eastern
   Asia.

   Syn: genus Menziesia.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Menziesia
    n 1: deciduous shrubs of North America and eastern Asia [syn:
         Menziesia, genus Menziesia]