Brunia lanuginosa L. Berzelia lanuginosa, commonly known as common button bush, is a species of flowering plant in the family Bruniaceae native to the Western Cape region of South Africa.

[2] It is a perennial shrub that is hardy from USDA hardiness zones 9a to 11.

It grows to be 4 to 6 feet (1.2 to 1.8 m) tall.

[3] Carl Linnaeus, the "father of taxonomy", described it as Brunia lanuginosa in volume one of his Species Plantarum in 1753.

[4] French botanist erected the genus Berzelia, giving it the binomial name Berzelia lanuginosa in 1826.