Philotheca myoporoides, commonly known as long-leaf wax flower, is a shrub in the family Rutaceae. The species is endemic to south-eastern Australia. It is usually up to 2 metres high and produces white flowers in spring and autumn. The species was first formally described in 1824 by Swiss botanist Augustin Pyramus de Candolle who gave it the name Eriostemon myoporoides. It was transferred to the genus Philotheca in 1998. Five subspecies are currently recognised in the Australian Plant Census: Caterpillars of the Orchard Butterfly feed on this species.