Begonia paganuccii. A Flowering stem B Detail of leaf, showing the dendritic trichomes C Stipules, seen from dorsal side D First order bract E Staminate flower F Stamen G Style-branch H Ovary, transverse cut, showing placenta I Capsule J Seed [A–J holotype Queiroz 10790 (HUEFS); drawn by Bernarda Gregório].