Fig. 2From: Bilobate leaves of Bauhinia (Leguminosae, Caesalpinioideae, Cercideae) from the middle Miocene of Fujian Province, southeastern China and their biogeographic implicationsA diagram showing the leaf architecture of Bauhinia L. s.s. and its allies across the world. Red: Asian and Australasian species. Blue: African species. Green: American species. Yellow: Transoceanically distributed species. Black: fossil-species. (I-CXVII) Representative species (see Additional file 3). Scale bars = 1 cmBack to article page