Hypocalymma tetrapterum

Hypocalymma tetrapterum is a member of the family Myrtaceae endemic to Western Australia.

The spreading shrub typically grows to a height of 0.4 to 0.9 m. It blooms in August producing white flowers.

It is found on riverbanks and breakaways in the Wheatbelt region of Western Australia in an area centered around Dandaragan where it grows in sandy-loamy soils with lateritic gravel.