WordNet (r) 3.0 (2006):

Australian grass tree
    n 1: any of several Australian evergreen perennials having short
         thick woody stems crowned by a tuft of grasslike foliage
         and yielding acaroid resins [syn: grass tree, Australian
         grass tree]
    2: stout Australian shrub with narrow leaves crowded at ends of
       branches and terminal clusters of white or pink flowers [syn:
       Australian grass tree, Richea dracophylla]