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

  • 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


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.