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 list 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: Leionema ambiens (F.Muell.) Paul G.Wilson — forest phebalium Leionema bilobum (Lindl.) Paul G.Wilson — notched phebalium Leionema bilobum (Lindl.) Paul G.Wilson subsp. bilobum Leionema bilobum subsp. serrulatum (F.Muell.) Duretto & K.L.Durham Leionema bilobum subsp. thackerayense Duretto & K.L.Durham Leionema bilobum subsp. truncatum (Hook.f.) Duretto & K.L.Durham Leionema carruthersii (F.Muell.) Paul G.Wilson Leionema ceratogynum N.G.Walsh Leionema coxii (F.Muell.) Paul G.Wilson Leionema dentatum (Sm.) Paul G.Wilson — toothed phebalium Leionema diosmeum (A.Juss.) Paul G. Wilson Leionema elatius (F.Muell.) Paul G.Wilson — tall phebalium Leionema elatius subsp. beckleri (F.Muell.) Paul G.Wilson Leionema elatius (F.Muell.) Paul G.Wilson subsp. elatius Leionema ellipticum Paul G.Wilson Leionema equestre (D.A.Cooke) Paul G.Wilson Leionema gracile (C.T. White) Paul G.Wilson Leionema hillebrandii (J.H. Willis) Paul G.Wilson Leionema lachnaeoides (A.Cunn.) Paul G.Wilson Leionema lamprophyllum (F.Muell.) Paul G.Wilson — shiny phebalium Leionema lamprophyllum subsp. fractum S.A.J.Bell Leionema lamprophyllum (F.Muell.) Paul G.Wilson subsp. lamprophyllum Leionema lamprophyllum subsp. obovatum F.M.Anderson Leionema lamprophyllum subsp. orbiculare F.M.Anderson Leionema microphyllum (F.Muell.) Paul G.Wilson Leionema montanum (Hook.) Paul G.Wilson Leionema nudum (Hook.) Paul G.Wilson — Mairehau, endemic to the North Island of New Zealand Leionema obtusifolium (Paul G.Wilson) Paul G.Wilson Leionema oldfieldii (F.Muell.) Paul G.Wilson Leionema phylicifolium (F.Muell.) Paul G.Wilson — mountain phebalium Leionema praetermissum P.R.Alvarez & Duretto Leionema ralstonii (F.Muell.) Paul G.Wilson Leionema rotundifolium (A.Cunn. ex Endl.) Paul G.Wilson — round-leaved phebalium Leionema scopulinum B.M.Horton & Crayn Leionema sympetalum (Paul G.Wilson) Paul G.Wilson — Rylstone Bell Leionema viridiflorum (Paul G.Wilson) Paul G.Wilson — green phebalium Leionema westonii L.M.Copel. & I.Telford References Australian Plant Name Index (APNI): Leionema (species) Association of Societies for Growing Australian Plants (ASGAP): Leionema carruthersii PlantNET — New South Wales Flora Online Leionema (list of species) Taxa named by Paul G. Wilson Zanthoxyloideae genera