摘 要 :根据标本研究和野外调查,对木兰科(Magnoliaceae)的拟单性木兰属(Parakmeria Hu & Cheng)进行了分类学修订。回顾了此属的分类学简史,阐述了保留拟单性木兰属的理由,将Magnolia Linn. subgenus Gynopodium Figlar & Noot. section Gynopodium 作为拟单性木兰属的新异名,将Magnolia yunnanensis (Hu) Noot. 和M. nitida W. W. Smith var. robusta B. L. Chen & Noot.作为云南拟单性木兰(Parakmeria yunnanensis Hu)的新异名,将Magnolia omeiensis (Cheng) Dandy、M. lotungensis Chun & C. H. Tsoong、M. nitida W. W. Smith var. lotungensis (Chun & C. H. Tsoong) B. L. Chen & Noot. 和Parakmeria lotungensis (Chun & C. H. Tsoong) Law作为峨眉拟单性木兰(Parakmeria omeiensis Cheng)的新异名,确认拟单性木兰属含4种植物,列出了分种检索表,描述了各种的地理分布和生长环境。
Abstract:Based on the study of specimens and field observations, Parakmeria Hu & Cheng was revised in the paper.The brief taxonomic history was given, the reasons for conserving Parakmeria Hu & Cheng was expounded.Section Gynopodium of Magnolia Linn. subgenus Gynopodium Figlar & Noot. Was regarded as a new synonym of Parakmeria Hu & Cheng, Magnolia yunnanensis (Hu) Noot. and M. nitida W. W. Smith var. robusta B. L. Chen & Noot. as new synonyms of Parakmeria yunnanensis Hu, Magnolia omeiensis (Cheng) Dandy, M. lotungensis Chun & C. H. Tsoong, M. nitida W. W. Smith var. lotungensis (Chun & C. H. Tsoong) B. L. Chen & Noot. and Parakmeria lotungensis (Chun & C. H. Tsoong) Law as new synonyms of Parakmeria omeiensis Cheng. Four species were recognized, keyed and described in the genus.