Caption: Isopogon. A-B , I. uncinatus . A , flowering branchlet; B , flower bud (A-B , A.George 9692 PERTH). C-D , I. polycephalus . C , flowering branchlet (M.Corrick 9548, MEL); D , dehisced flower (D.Foreman 811, MEL). E-H , I. villosus . E , flowering branchlet; F , pollen presenter; G , adaxial view of cone scale; H , abaxial view of cone scale (E-H , D.Foreman 1196, MEL).Illustrators: P.Cooper.
Flora of Australia Volume 16 (1995) figure 102.