Images from herbarium specimens of Croton rizzinii. A Flowering branch B inflorescence C indumentum on the adaxial surface of the lamina D indumentum on the abaxial surface of the lamina E detail of leaf showing the two acropetiolar glands F stipules G detail of a bract of a cymule with glands (colleters) at the base H mature pistillate flower I detail of the styles connate at the base J pistillate flower with ovary removed, showing disc and a gland at the base of one of the sepals K seed (ventral surface). (A, B S.Q. Farias 241 C, D, G S.Q. Farias & J.L. Silva 239 E, F, K S.Q. Farias & J.L. Silva 234; H, I, J S.Q. Farias & J.L. Silva 205, holotype).