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 |
基金项目: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]。 |
|
Elatostema jiangjinense, a new species of Urticaceae from Chongqing City |
WANG Wen-tsai
|
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100094, China
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100094, China
|
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 |