The Collaborative International Dictionary of English v.0.48:

Boswellia \Boswellia\ n.
   a genus of incense-yielding trees of North Africa and India.

   Syn: genus Boswellia.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Boswellia
    n 1: genus of trees of North Africa and India that yield incense
         [syn: Boswellia, genus Boswellia]