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.
Species include:
- Leionema ambiens - Forest Phebalium
- Leionema bilobum - Notched Phebalium
- Leionema carruthersii
- Leionema coxii
- Leionema dentatum - Toothed Phebalium
- Leionema diosmeum
- Leionema elatius - Tall Phebalium
- Leionema ellipticum
- Leionema equestre
- Leionema gracile
- Leionema hillebrandii
- Leionema lachnaeoides
- Leionema lamprophyllum - Shiny Phebalium
- Leionema microphyllum
- Leionema montanum
- Leionema nudum - Mairehau, endemic to the North Island of New Zealand
- Leionema obtusifolium
- Leionema oldfieldii
- Leionema phylicifolium - Mountain Phebalium
- Leionema ralstonii
- Leionema rotundifolium - Round-leaved Phebalium
- Leionema scopulinum
- Leionema sympetalum - Rylsone Bell
- Leionema viridiflorum - Green Phebalium