The Collaborative International Dictionary of English v.0.48:

harpulla \harpulla\ n.
   A fast-growing tree of India and East Indies (Harpullia
   cupanioides) yielding a wood used especially for building.

   Syn: Harpullia cupanioides.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

harpulla
    n 1: fast-growing tree of India and East Indies yielding a wood
         used especially for building [syn: harpulla, Harpullia
         cupanioides]