Hiptage incurvatum K.Tan & M.X.Ren, sp. nov. A, B habit C flowering branch D flower in frontal view E flower with petals removed in sideview F flower with petals removed in dorsal view showing two large glands on the dorsal sepals) G flowers in sideview H detached petals I young leaf in adaxial view J young samaras K mature samaras L leaf branch in adaxial view. Photos A–C by M. X. Ren, J, K by H. L. Zheng and D–I, L by K. Tan.