Bauhinia ningmingensis sp. nov. from the Oligocene of Ningming, Guangxi, South China. (a) NHMG 011655. The foliage apex is not preserved. (b- c) Holotype: NHMG 011654, and its line-drawing, showing the leaf architectural detail. (d) The apex of holotype, showing the higher-order veins. (e) The base of holotype, showing the pulvinate tissue. Scale bars = 1 cm.