Abstract: In the present paper, a polymorphic species with two discontinuous distributional areas Actinidia kolomikta (Maxim. & Rupr.) Maxim is revised and the relationships as well as the distinguishing characters between the species and its related species A. polygama (Sieb. & Zucc.)Maxim., A.tetramtera Maxim, and A. arguta (Sieb. & Zucc.)Planch.

Key words: Actinidia

摘要： 作者将海棠猕猴桃Actinidia maloides H.L.Li，心叶海棠猕猴桃A.maloides H.L.Li f.cordata C.F.Liang合并于狗枣子(Actinidia kollmikta (Maxim.& Rupr.)Maxim.)中作为异名，同时对狗枣子及其近缘种软枣猕猴桃A.arguta (Sieb. & Zucc.) Planch.ex Miq，木天蓼A.polygama (Sieb. & Zucc.) Maxim.和四数猕猴桃A.tetramera Maxim.的形态学特征进行了辨析。

关键词: 猕猴桃属, 狗枣子, 修订