Xanthosia ternifolia is a species of flowering plant in the family Apiaceae and is native to Tasmania and New South Wales. It is an erect shrub with trifoliate leaves, the segments egg-shaped, and white flowers in a compound umbel up to 4 flowers.
Xanthosia ternifolia is an erect shrub that typically grows to a height of up to, its stems and leaves covered with woolly hairs. Its leaves are trifoliate, the leaflets egg-shaped long and long, the edges with three lobes. The flowers are arranged in a on the ends of branches or in leaf axils in a compound umbel on a peduncle up to long with up to 4 flowers. There are yellow petal-like involucral bracts long at the base of the flowers. The sepals are long and the petals are white, long. Flowering occurs from September to December.[1]
Xanthosia ternifolia was first formally described in 2000 by J.M.Hart and Murray J. Henwood in Australian Systematic Botany.[2] The specific epithet (ternifolia). means "three-leaved".[3]
This species of xanthosia grows in heathland and eucalypt woodland in Tasmania and on the far south coast of New South Wales.[4]