关于Salix vitellina (科植物) 分类学的注释
Alexander M Marchenko1, Yulia A Kuzovkina2
1Russian Park of Water Gardens, Polevaya Str., 12, Klyazma mkr, 141230 Pushkino, Russia.
Plants (Basel, Switzerland)
|July 29, 2023
概括
这项研究调查了金柳 (Salix vitellina) 的分类学分类. 形态分析,特别是卵子数,表明Salix vitellina与Salix alba密切相关,而不是混合体.
科学领域:
- 植物学 植物学
- 植物分类学 植物分类学
- 植物形态学植物形态学
背景情况:
- 黄金柳 (Salix vitellina L.) 具有复杂的分类历史,其分类在品种,亚种和形式之间发生了转变.
- 最近的建议表明,Salix vitellina是一种Salix alba × Salix fragilis的杂交形式.
研究的目的:
- 为了验证Salix vitellina的分类学名称.
- 要确定Salix vitellina是否是一种混合物,使用形态特征,专注于卵子数.
主要方法:
- 来自欧洲和北美的Salix vitellina标本的分析,包括lectotype.
- 检查形态特征,主要关注卵子数量和花特征.
- 卵子指数和花特征与Salix alba的比较以及潜在的杂交指标.
主要成果:
- Salix vitellina 呈现 6-10 的卵子指数,大多数门包含四个或五个卵子.
- 这些卵子参数与Salix alba的参数保持一致.
- 花的特征以及Salix vitellina标本中没有雄性异性或花的异常,并不支持混合起源.
- Salix alba f. chermesina,以色红色的茎区分,也属于Salix alba,通过更高的卵子指数 (12-16) 与f. vitellina不同.
结论:
- 形态分析,特别是卵子数,并不能证实Salix vitellina的拟议混合起源.
- Salix vitellina 在分类学上与 Salix alba 有关.
- Salix alba f. chermesina也被证实是Salix alba中的一个分类,与f. vitellina不同.
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