1. 
[syn: flame tree, fire tree, Christmas tree, Nuytsia floribunda]
The Collaborative International Dictionary of English v.0.48:
fire-tree \fire-tree\ n.
   a terrestrial evergreen shrub or small tree (Nuytsia
   floribunda) of West Australia having brilliant yellow-orange
   flowers; parasitic on roots of grasses.
   Syn: flame tree, flame-tree, Christmas tree, Nuytsia
        floribunda.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
Nuytsia floribunda
    n 1: a terrestrial evergreen shrub or small tree of western
         Australia having brilliant yellow-orange flowers; parasitic
         on roots of grasses [syn: flame tree, fire tree,
         Christmas tree, Nuytsia floribunda]