List of plants known as bottlebrush explained

Bottlebrush is a common name used to refer to several genera of plants. These include:

• Callistemon, a genus of shrubs and trees from Australia
• Beaufortia, a genus of shrubs from Australia
• Elymus hystrix, a species of bunchgrass from North America
• Elymus californicus, a species of bunch grass from North America known as California bottlebrush grass