Synaphea pinnata, commonly known as Helena synaphea, is a shrub endemic to Western Australia.
The low and open shrub typically grows to a height of 0.15to. It blooms between August and November producing yellow flowers.
It is found in the Darling Scarp and the hills in the eastern suburbs of Perth including Mundaring, Kalamunda and Gosnells where it grows in sandy-clay-loamy soils over laterite or granite.