- any of various trees or shrubs of the myrtle family, especially of the genera Callistemon and Melaleuca, native to Australia and adjacent areas, having spikes of flowers with numerous conspicuous stamens.
- a cylindrical brush on a thin shaft, used for cleaning bottles
- any of various Australian myrtaceous shrubs or trees of the genera Callistemon and Melaleuca, having dense spikes of large red flowers with protruding brushlike stamens
- any of various similar trees or shrubs
