any of a genus (Callistemon) of shrubs or trees of the myrtle family, having flowers with conspicuous tufts of red or yellow stamens and cultivated in warm climates
Origin of bottlebrushdescriptive of the tufts
Any of various Australian shrubs or trees of the genus Callistemon, having dense cylindrical spikes of flowers with long stamens that resemble a brush used to clean bottles.
- A cylindrical brush on a thin shaft that is used to clean bottles.
- 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.
- An uncommon cave formation resulting from a rise in water level such that a stalactite becomes immersed in water that is supersaturated with calcium carbonate, causing the stalactite to become coated with pool spar.