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园艺学报 ›› 2001, Vol. 28 ›› Issue (3): 268-269.

• 研究报告 • 上一篇    下一篇

三裂叶海棠分类地位的研究

成明昊;周志钦;邓洪平;李晓林
  

  1. (西南农业大学园艺系, 重庆400716)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-06-25 发布日期:2001-06-25

A Study on the Taxonomy of Malus trilobata Schneid.

Cheng Minghao, Zhou Zhiqin, Deng Hongping, and Li Xiaolin   

  1. (Department of Horticulture , Southwest Agricultural University , Chongqing 400716)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-06-25 Published:2001-06-25

摘要: 根据三裂叶海棠分类研究的新进展, 采用系统发生􀀂 植物地理学的理论和方法,探明三裂叶海棠与苹果属的原始种( 老挝林檎) 是同源区系解体后独立演化的, 是其亲缘关系极为密切的近缘属植物, 起源于白垩纪, 命名为独模属。

关键词: 蔷薇科, 独模属, 苹果属, 三裂叶海棠, 分类, 同源区系, 白垩纪

Abstract: Basing on the research advancement of taxonomy for Malus trilobata Schneid. , using the theories and methods of phylogeny􀀁phytogeography, the authors found that Malus trilobata developed independently from Malus laoensis Chev. , one of the most primitive species of Malus Miller, after they separated from a homogeneous flora in early time. Malus trilobata is one of the most closely related taxa of the genus Malus Miller and it should be originated in theCretaceous period. As a conclusion, the author suggested that Malus trilobata Schneid. be named Cormus Decisne.

Key words: Rosaceae, Cormus Decisne., Malus trilobata Schneid., Taxonomy, Homogeneous flora, The Cretaceous period

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