Studies on Method for the Determination of Kaerophyllin in Bupleurum smithii wolff Wolff var. parvifolium HPLC Fingerprint of Bupleurum smithii var.Parvifolia Determination of flavones in different origin and parts of Bupleurum smithii var.parvifoliaum by UPLC-PDA Phylogeography of an alpine plant (Bupleurum smithii, Apiaceae) endemic to the Qinghai–Tibetan Plateau and adjacent regions inferred from chloroplast DNA sequence variation Structure Identification of Saikosaponin p Studies on Saponins in Bupleurum smithii Wolff var.parvifolium Shan et Y.Li