基于分子和形态学证据的Sorbustapashana (科) 的复活
Xin Chen1, Wen-Xiang Hou1, Jun-Ling Hu1
1Co-Innovation Center for Sustainable Forestry in Southern China, College of Life Sciences, Nanjing Forestry University, Nanjing, China Nanjing Forestry University Nanjing China.
PhytoKeys
|October 14, 2024
概括
以前被认为是S.tianschanica的同义词的Sorbustapashana被恢复为一个独立的物种. 质体原生和独特的形态特征支持这种对Sorbus物种的分类学修订.
科学领域:
- 植物学 植物学
- 植物分类学 植物分类学
- 人类遗传学 是一个学科.
背景情况:
- 来自中国青林省台北山的sorbustapashana物种在历史上被归类为sorbustianschanica的同义词.
- 两种物种都有共同的特征,比如白色的芽,大花和红色的果实,这表明它们之间有着密切的关系.
研究的目的:
- 为了澄清Sorbustapashana的分类学地位.
- 使用分子数据调查Sorbustapashana和Sorbustianschanica之间的遗传关系.
- 识别和记录两种物种区分的独特形态特征.
主要方法:
- 进行了基于胎盘的遗传学分析.
- 进行了详细的形态比较,重点关注芽的青春期,花朵的大小,水果特征和叶片牙.
主要成果:
- 质体遗传学分析表明,Sorbustapashana和Sorbustianschanica不会聚集在一起.
- 确定了形态差异,包括各种植物部位上的持久白色,叶片牙数 (S.tapashana.每侧31-51),S.tapashana.中较小的和果实.
结论:
- 根据分子和形态学证据,sorbustapashana被恢复为一个独特的物种.
- 这项研究解决了围绕Sorbustapashana和Sorbustianschanica的分类学模两可.
- 这一修订有助于对中国的Sorbus属的理解.
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