Polylepis incana Humboldt, Bonpland & Kunth A flowering branch B stipular sheaths C upper leaf surface D lower leaf surface E fruits (A Romoleroux 1191 B Weigend 8811 C Vargas 187 D Weigend 5865 E Weigend 7265). Scale bars: 4 cm (A); 2 cm (C, D); 7 mm (E). Photographs by T. E. Boza E.