| 摘要: |
| 该文描述了自四川西部发现的毛茛科毛茛属五新种。其中:三新种,即石棉毛茛(Ranunculus shimianensis)、细叉叶毛茛(R. tenuifurcatus)和细裂叶毛茛(R. perdissectus)隶属于美丽毛茛组(Sect. Auricomus); 第四新种,即泸定毛茛(R. ludingensis)隶属于毛茛组(Sect. Ranunculus); 第五新种,即丝茎毛茛(R. filistolonifer)代表一新组,特征为植株平卧,匍匐茎十或十多条辐射状开展,花的花瓣3片,雄蕊2枚。此外,还描述了叉裂叶云生毛茛(Nephelogenes var. furcatilobatus)一新变种。 |
| 关键词: 毛茛科, 毛茛属, 新种, 新变种, 四川 |
| DOI：10.11931/guihaia.gxzw202011047 |
| 分类号: |
| 文章编号:1000-3142(2022)01-0001-09 |
| Fund project:中国科学院植物研究所资助王文采院士科研活动经费(110100PZ07)[Supported by the Fund for WANG Wen-tsai Academician Scientific Research of Institute of Botany, Chinese Academy of Sciences(110100PZ07)]。 |
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| Five new species and one new variety of Ranunculus (Ranunculaceae)from Sichuan, with one new section represented by one of these species |
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WANG Wencai(WANG Wen-tsai)
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State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
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| Abstract: |
| Five species of the genus Ranunculus (Ranunculaceae)are described as new from western Sichuan Province. Of them, three new species, R. shimianensis, R. tenuifurcatus and R. perdissectus belong to Sect. Auricomus, one new species, R. ludingensis belongs to Sect. Ranunculus, and the fifth new species, R. filistolonifer, characterized by prostrate and rudiately spreading 10 or more stolons, and 3 petals and 2 stamens per flower, represents a new section. Besides, one variety of R. nephelogenes is described as new too. |
| Key words: Ranunculaceae, Ranunculus, new species, new variety, Sichuan |
