Leaf morphology in Tradescantia subg. Austrotradescantia. A elliptic blade of T. cerinthoides, showing the dark green colouration and obtuse apex B broadly ovate blade of T. cymbispatha, showing the bluish-green colouration, vinaceous margins, the densely strigose indumentum and cordate base C linear blade of T. decora, showing the conduplicate and falcate posture and truncate base (removed) D one of the uppermost leaves from T. fluminensis, showing the dark green colouration, inconspicuous subpetiole, impressed secondary veins and cordate base E blade of T. mundula, showing the short subpetiole, impressed secondary veins and round base F detail of the amplexicaulous leaf-blade base of T. seubertiana G blade of T. tenella, showing the distinctively subpetiolate leaf and strongly asymmetric base H blade of T. umbraculifera, showing the amplexicaulous base and caudate apex. Photos by M.O.O. Pellegrini. See the Erratum note.