| 摘要: |
| 描述了自重庆南部发现的荨麻科楼梯草一新种,江津楼梯草(Elatostema jiangjinense)。此新种与锐齿楼梯草(E. cyrtandrifolium)近缘,两者的区别在于江津楼梯草的叶在狭侧具2条二级脉,托叶卵形或披针形,以及雄总苞片在顶端具长角状突起。 |
| 关键词: 荨麻科, 楼梯草属, 新种, 重庆市 |
| DOI：10.11931/guihaia.gxzw201704017 |
| 分类号: |
| 文章编号:1000-3142(2019)03-0291-03 |
| Fund project:中国科学院植物研究所系统与进化植物学国家重点实验室项目 [Supported by the Program of State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences]。 |
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| Elatostema jiangjinense, a new species of Urticaceae from Chongqing City |
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WANG Wen-tsai
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State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100094, China
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| Abstract: |
| A species of the genus Elatostema(Urticaceae), E. Jiangjinense, is described as new from southern part of Chongqing City. It is related to E. cyrtandrifolium(Zoll. & Mor.)Miq., differing from the latter in its leaf with two secondary nerves at its narrow side, in its ovate and lanceolate stipules, and in its long corniculate staminate involucral bracts. |
| Key words: Urticaceae, Elatostema, new species, Chongqing City |
