Persoonia longifolia, the upright snottygobble, also known as the long-leaf persoonia or just snottygobble, is a species of tall shrub or small tree in the plant genus Persoonia, reaching 1 to 5 metres (3–17 ft) in height. It is found in the Jarrah forests of southwest Western Australia. This species is characterised by its long narrow dark green leaves, dark yellow to orange flowers and distinctive flaky dark red bark. This erect shrub or tree reaches about 5 metres (17 feet) high, usually with few branches. Its dark green leaves are narrow and slightly elliptical, and can grow up to 220 millimetres in length. The distinctive bark is dark red to bronze colour with many papery layers which flake easily. Within the bark are epicormic buds which sprout new growth after bushfire.