Chorilaena quercifolia, commonly known as karri oak, is a shrub that is endemic to the karri forests of south-west Western Australia. It is the sole species in the genus Chorilaena. Its height usually ranges from 1 to 4 metres and its width from 1 to 3 metres. The flowers are usually green, although yellow, white, red and pink forms are known. They appear in the late spring and early summer and are about 1.5 cm long and 1 cm wide.