The Collaborative International Dictionary of English v.0.48:

needlebush \needlebush\ n.
   A shrub (Hakea lissosperma) of eastern Australia, with
   pungent rigid needle-shaped leaves and white flowers.

   Syn: needle bush, Hakea lissosperma.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

needlebush
    n 1: shrub with pungent rigid needle-shaped leaves and white
         flowers; eastern Australia [syn: needlebush, needle-
         bush, needle bush, Hakea lissosperma]