Conospermum petiolare is a shrub endemic to Western Australia.
The densely-branched shrub typically grows to a height of 0.3to. It blooms between October and March producing pink-cream-orange-yellow-brown flowers.
It is found on rocky slopes and winter wet areas along the south coast in the Great Southern and Goldfields-Esperance regions of Western Australia where it grows in sandy soils over granite or quartzite.