Fig. 1From: Past climate cooling and orogenesis of the Hengduan Mountains have influenced the evolution of Impatiens sect. Impatiens (Balsaminaceae) in the Northern HemisphereMaximum likelihood tree of Impatiens sect. Impatiens inferred from concatenated nucleotide sequences of 80 plastid coding genes. Numbers above the branches are bootstrap values. Photographs of representative species on the right: (a) I. noli–tangere, (b) I. macrovexilla var. yaoshanensis, (c) I. imbecilla, (d) I. alpicola, (e) I. soulieana, (f) I. vittata, (g) I. tortisepala, (h) I. delavayi, and (i) I. tienmushanica. Photographs are by D–H Zhu and S–X YuBack to article page