Infected host organs and spore images of R. xanthophloeae (A–H), R. natalensis (I), R. evansii (J) and R. macowaniana (K) A Infected individual of V. xanthophloea. Leaves were prematurely shed in comparison with uninfected trees B Telia on leaflets of V. xanthophloea C SEM of an aeciospore showing scattered germpores D SEM of an urediniospore E Urediniospores seen in LM F SEM view of a teliospore of R. xanthophloeae. The arrows indicate irregularly arranged verrucose ornamentations G Telium of R. xanthophloeae seen in SEM H LM view of a teliospore. The arrow indicates irregularly arranged verrucose ornamentations I Teliospores of R. natalensis with long pedicels J SEM picture of median section of a teliospore of R. evansii. Arrows indicate 2-celled probasidial cells K LM picture of teliospores of R. macowaniana. Scale bars: 1 mm (B), 4 μm (C), 2 μm (D), 20 μm (E), 20 μm (F–H, J–K), 40 μm (I).