A, B Isotrema sanyaense R.T.Li, X.X.Zhu & Z.W.Wang, sp. nov. A habit B flowers C, D I. jianfenglingense (Han Xu, Y.D.Li & H.Q.Chen) X.X.Zhu, S.Liao & J.S.Ma C habit D flowers E, F I. ledongense (Han Xu, Y.D.Li & H.J.Yang) X.X.Zhu, S.Liao & J.S.Ma E flowering branch F flower (front view).

 
 
  Part of: Li R, Wang Z, Wang J, Zhu X, Xu H (2019) Isotrema sanyaense, a new species of Aristolochiaceae from Hainan, China. PhytoKeys 128: 85-96. https://doi.org/10.3897/phytokeys.128.35042