Indumentum morphology in Tradescantia subg. Austrotradescantia. A completely glabrous stems and leaves in T. seubertiana B glabrous leaf-blade of T. crassula, showing the ciliate margin C abaxial side of a leaf-blade of T. cerinthoides, showing the sparsely hispid indumentum D adaxial side of a leaf-blade of T. cerinthoides, showing the hispid indumentum E adaxial side of a leaf-blade of T. tenella, showing the hirsute indumentum and ciliate margin F sepal of T. tenella, showing the glandular-pubescent indumentum. Photos by M.O.O. Pellegrini.