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中国特有种丹霞梧桐的新分布区和形态特征修订
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广东省重点领域研发计划项目(2020B1111530004);国家林业和草原局野生植物保护管理项目(20190730)资助


New Distribution and Modification of Morphological Characteristics of Firmiana danxiaensis,an Endemic Species of China
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Guangdong Provincial Key Field Research and Development Program；he Wild Plant Conservation and Management Project of the State Forestry and Grassland Administration

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    摘要:

    为完善丹霞梧桐(Firmiana danxiaensis)的形态描述，对丹霞和喀斯特地貌4个分布点的植株宏观形态特征进行了比较研究。结果表明，丹霞梧桐的叶柄、叶片、花序、雄蕊、蓇葖果、花萼等特征与其原始文献的描述明显不同，且原始描述缺少败育雄蕊、败育子房、及花萼、果皮、种皮在发育过程中的颜色变化等特征。因此，对丹霞梧桐形态描述进行了修订或补充，并提供图片资料。

    Abstract:

    In order to improve the morphological description of Firmiana danxiaensis, the macroscopic morphological characteristics of plants in four distribution points on Danxia and Karst landforms were compared. Specimens were collected at the three known distribution points (Danxia Mountain, Nanxiong, and Yingde) and the newly discovered distribution point (Shixing) during the flowering and fruiting periods. The results showed that there were obvious differences from the original description in petiole, leaf, inflorescence, stamens, follicle, calyx, etc. The original description lacked aborted stamens, aborted ovary, color changes in calyx, pericarp and seed coat during development. Therefore, the morphological description of F. danxiaensis was revised or supplemented, and pictures were also provided.

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李亚丽,付琳,雷宇阳,李远球,陈红锋.中国特有种丹霞梧桐的新分布区和形态特征修订[J].热带亚热带植物学报,2022,30(5):735~741

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  • 收稿日期:2021-09-08
  • 最后修改日期:2021-11-03
  • 录用日期:2022-03-02
  • 在线发布日期: 2022-09-26
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