Synaphea petiolaris is a shrub endemic to Western Australia.

[1] The tufted shrub typically grows to a height of 0.1 to 0.6 metres (0 to 2 ft).

It blooms between June and January producing yellow flowers.

It is found around swamps and on sand plains, slopes and low-lying areas in the Peel, South West, Great Southern and Goldfields-Esperance regions of Western Australia where it grows in sandy soils over laterite or granite.

This Proteaceae-related article is a stub.