(Petrophile antecedens)
Petrophile antecedens is a shrub endemic to Western Australia. The erect and open shrub typically grows to a height of 0.4 metres (1.3 ft). It blooms between July and September producing cream-white flowers. It is found on slopes and flats in the South West and Wheatbelt regions of Western Australia where it grows in sandy-gravelly soils over laterite.