寄生植物花的第一个宏观化石记录来自Eocene波罗的海珀
Weijia Huang1, Wenzhe Liu2, Xin Wang3
1Blue Miracle Museum Science Research Studio, Guangzhou, 510000, China.
Heliyon
|December 17, 2024
概括
以前在宏观化石记录中未知的Schoepfiaceae家族的化石花在俄罗斯被发现. 这一发现为寄生植物的进化历史提供了关键的见解.
科学领域:
- 古植物学是古植物学.
- 进化生物学 进化生物学
- 血管精子的原始发育过程
背景情况:
- 寄生植物的进化历史由于它们在化石记录中的代表性稀少,因此人们对其了解甚微.
- 之前与Schoepfiaceae相关的化石发现主要由叶子组成,这限制了我们对它们的花形态和演变的理解.
- 由于缺乏全面的化石证据,关于Schoepfiaceae的进化假设在很大程度上没有得到验证.
研究的目的:
- 报告发现的化石冠状状和茎,归因于Schoepfiaceae家族.
- 通过宏观化石证据阐明Schoepfiaceae家族的进化历史和花特征.
- 为了解Schoepfiaceae的分布和演变提供新的数据.
主要方法:
- 石化花结构 (花冠和花茎) 的分析,来自晚期欧时代.
- 化石与现存和化石Schoepfiaceae物种的形态比较.
- 俄罗斯加里宁格勒化石矿床的年代.俄罗斯加里宁格勒.
主要成果:
- 发现了化石冠状状和干的可能的花.
- 化石展示了五个合的花和附着的茎,这是一个支持其与Schoepfiaceae的亲和关系的特征.
- 这代表了首个巨型化石证据,证明了一种花,可追溯到37.8-33.9亿年前.
结论:
- 这一化石发现提供了首个直接的宏观化石证据,证明了花的存在,大大推动了对这个家族的研究.
- 化石的独特特征组合支持其在Schoepfiaceae中的位置,并为其花进化提供了新的见解.
- 化石在俄罗斯的出现扩大了已知的Schoepfiaceae的古生物学地理范围,并告知了关于它们历史分布的讨论.
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