Two New Species of Aristolochia (Aristolochiaceae) from Yunnan, China

Xin-Xin Zhu; Bin Shen; Zeng-Peng Sun; Bin Chen; Shuai Liao; Jin-Shuang Ma

Xin-Xin Zhu Xinyang Normal University
Bin Shen Chinese Academy of Sciences
Zeng-Peng Sun Xinyang Normal University
Bin Chen Chinese Academy of Sciences
Shuai Liao Chinese Academy of Sciences
Jin-Shuang Ma Chinese Academy of Sciences

Keywords: Aristolochia, Aristolochiaceae, China, IUCN Red List, Yunnan

Abstract

Aristolochia melanocephala X. X. Zhu & J. S. Ma and A. pilosistyla X. X. Zhu & J. S. Ma, two new species from Yunnan, China, are described and illustrated here. The former is most similar to A. transsecta (Chatterjee) C. Y. Wu ex S. M. Hwang and A. wardiana J. S. Ma. The latter is most similar to A. neolongifolia J. L. Wu & Z. L. Yang and A. ledongensis Han Xu, Y. D. Li & H. J. Yang. Both new taxa are assessed as Vulnerable (VU D2) according to IUCN Red List criteria.