Caption: Petalostylis . A-E , P. labicheoides . A , flowering and fruiting twig; B , flower; C , gynoecium and androecium with petals and sepals removed showing 3 fertile stamens, 2 staminodes and the petaloid style; D , pod (A-D , M.G.Corrick 5603, MEL); E , seed (Mrs Foot s.n. , MEL). F-G , P. cassioides . F , flowering and fruiting twig; G , seed showing attachment to pod (F-G , S.J.Forbes 2605, MEL).Illustrators: A.Barley (nee Podwyszynski).
Flora of Australia Volume 12 (1998) figure 91.