Caption: Petrophile cyathiforma . A , flowering branchlet (Lullfitz 5554, MEL); B , branchlet with young inflorescence (M.Burgman MAB 2910 & C.Layman, PERTH); C , flower; D , pollen presenter (C-D , Lullfitz 5554, MEL); E , fruiting branchlet; F , nut showing abaxial surface; G , nut showing adaxial surface (E-G , E.Nelson ANU 16722 CANB).Illustrators: A.Barley.
Flora of Australia Volume 16 (1995) figure 88.