对Lonicera (Caprifoliaceae) 的选定物种进行比较的形学研究:分类学和进化方面的影响
Zoya M Tsymbalyuk1, Daniella Ivanova2, Lyudmila M Nitsenko1
1Department of Systematics and Floristics of Vascular Plants, M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, Tereshchenkivska St, 2, Kyiv 01601, Ukraine.
概括
花粉形态学为识别Lonicera物种及其分类提供了关键特征. 这项研究揭示了对分类学和理解Caprifoliaceae进化至关重要的诊断性花粉特征.
科学领域:
- 植物学 植物学
- 帕利诺学 (Palynology) 是一个临床学科.
- 纳税学是一种分类学.
背景情况:
- 洛尼克拉 (Lonicera) 是Dipsacales中的一个大属,有着各种传统和商业应用的物种.
- 花粉形态学是区分各种分类层次的植物分类的一个关键工具.
研究的目的:
- 评估花粉形态学的分类学意义,用于在Lonicera属内的特定物种识别.
- 分析花粉的特征,以区分Lonicera物种和infrageneric类型.
主要方法:
- 微镜检查 (光和扫描电子) 七种Lonicera物种 (18个标本) 的乙化和干花粉.
- 对量化和定性性花粉特征的分析,包括大小,形状,孔径细节,自身雕塑和结构.
- 构建UPGMA树枝图以评估基于花粉数据的分类学关系.
主要成果:
- 花粉颗粒是3(4) - 合体,中型到大型,亚型到亚型,以乙酸-微酸-纳米酸的exine雕塑.
- 对于Lonicera物种识别的关键诊断特征包括花粉大小,amb,colpi,endoapertures, annuli,exine雕塑和结构.
- 根据UPGMA的分析,根据数量和质量的花粉特征,支持在物种,亚属和部分层面进行差异化.
结论:
- 花粉形态学为Lonicera物种识别和低基分类提供了重要的诊断价值.
- 观察到的Palynomorphological多样性,特别是在exine结构中,可能会为Caprifoliaceae家族的进化历史提供见解.
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