Leionema westonii (Rutaceae), a rare new species from north-eastern New South Wales, Australia

<i>Leionema westonii</i> L.M.Copel. & I.Telford (Rutaceae), a rare species endemic to montane north-eastern New South Wales, is named as new. The species appears to be allied to <i>L. gracile</i> (C.T. White) Paul G.Wilson, and a table comparing selected attributes of the two species is presented. A map showing the distributions of both species is also provided and the conservation status, habitat and phenology of the new species are discussed.