Plant Material. The whole plants of A. yunnanensis were collected
in Kunming, Yunnan Province, People’s Republic of China, in
September 2007. The sample was identified by Dr. Chun-Xia Zeng. A
voucher specimen (Luo 070908) has been deposited in the State Key
Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, People’s
Republic of China.