1. Delectis Flora Reipublicae Popularis Sinicae Agendae Academiae Sinicae Edita. Flora of China; Science Press: Beijing, 1982, 20(1), pp 80–95.
2. Zhou, Z. K. Acta Bot. Yunnan.1993, 15, 321–331.
3. Editorial committee of the Administration Bureau of Traditional Chinese Medicine. Chinese Matrria Medica (Zhonghua Bencao); Shanghai Press of Science and Technology: Shanghai, 1998, 3, pp 449–450.
4. Cao, C. M.; Peng, Y.; Shi, Q. W.; Xiao, P. G. Chem. Biodivers.2008, 5, 219–238.
5. Teng, F.; Zhong, H. M.; Chen, C. X.; Liu, H. Y. Helv. Chim. Acta2009, 92, 1298–1303.