Pericalymma megaphyllum is a plant species of the family Myrtaceae endemic to Western Australia.

[1] The erect typically grows to a height of 0.35 metres (1.1 ft).

It blooms in November producing white-pink flowers.

It is found on elevated watershed areas in the South West regions of Western Australia between Nannup and Augusta where it grows sandy clay soils over laterite.

This Myrtaceae article is a stub.