Pileanthus is a genus of flowering plants in the family Myrtaceae, endemic to Western Australia. Collectively referred to by the common name coppercups, the eight currently recognised species are:

Pileanthus aurantiacus Pileanthus bellus Pileanthus filifolius Meisn. summer coppercupsJ.Linn.Soc., Bot. 1:45 (1857) Pileanthus limacis Labill. coastal coppercups Pileanthus peduncularis Endl. coppercupsStirp.Herb.Huegel. 8 (1838) Pileanthus rubrinitidus Pileanthus septentrionalisKeighery Nuytsia 15:43, Figs 1K-N (2002) Pileanthus vernicosus F.Muell.Fragm. 1:225 (1859)

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