Tradescantia hertweckii M.Pell. A habit B detail of the leaf-sheaths, showing the setose margins C hair from the margin of the leaf-sheath D–E leaves D detail of the abaxial side of the apex of the blade, showing the hispid indumentum E detail of the adaxial side of the apex of the blade, showing the hispid indumentum F–G flowers F front view of a flower G oblique view of a flower H sepals, showing the setose indumentum restricted to the dorsal keels I petal J–K androecium J stamen K detail of the anther L–M gynoecium L pistil M detail of the stigma N open mature capsule O seeds, showing the costate testa not cleft towards the embryotega and the hilum longer than ½ the length of the seed. Line drawings by M.A. Rezende.