Caption: Petrophile arcuata . A , flowering and fruiting branchlet; B , leaf; C , flower; D , nut showing adaxial surface; E , nut showing abaxial surface (A-E , Coolgardie-Southern Cross Rd, c. 6.4 km W of Gilgai, R.Filson s.n. , MEL).Illustrators: A.Barley.
Flora of Australia Volume 16 (1995) figure 85.