Leionema is a genus of more than 20 species of mostly small shrubs in the family Rutaceae, most of which are endemic to eastern Australia.Plants within this genus have scented foliage and clustered, star-shaped flowers which range in colour from cream to bright yellow. Prior to 1998, all species within this genus were included in the genus Phebalium.
The following is a list of species and subspecies accepted by the Australian Plant Census as at April 2020, and including the New Zealand endemic Leionema nudum:[1]