1. J. T. Pan, J. Syst. Evol., 29 (1), 1 (1991).
2. Editorial Committee of Flora of China Chinese Academy of Sciences, The Flora of China, Science Publishing House, Beijing, 34 (2), 201 (1992).
3. A. M. Yang, R. Wu, H. J. Yuan, J. Y. Li, and W. J. Guo, Chem. Nat. Compd., 51, 330 (2015).
4. Y. P. Chen, L. Liu, Y. H. Zhou, J. Wen, Y. Jiang, and P. F. Tu, J. Chin. Pharm. Sci., 17, 82 (2008).
5. Y. H. Cao, Y. Z. Huang, and S. L. Ding, Chin. J. Chin. Mater. Med., 25 (5), 290 (2000).