Symposium: Phylogeny of Asteridae, Richmond, VA, August 1990

研讨会：Asteridae 的系统发育，弗吉尼亚州里士满，1990 年 8 月

• 批准号: 9005921
• 负责人: Larry Hufford
• 金额: $ 0.58万
• 依托单位: University of Minnesota Duluth
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-07-01 至 1991-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9005921&HistoricalAwards=false
• 关键词: Symposium; Phylogeny; Asteridae; Richmond; VA

Taxonomic understanding of the broad interrelationships of groups of flowering plants can both facilitate and constrain comparative study of the morphology, physiology, and ecology of plants. Where taxa have been well sampled, deep knowledge of their evolutionary or genealogical relationships leads to fruitful comparisons of homologous structures or biochemical pathways or life-histories. When the taxa are not well known, comparisons are often made between spuriously related forms, and arguments may perpetuate endlessly over whether convergence or true evolutionary relationship accounts for the similarity in form or function under study. Dr. Larry Hufford of the University of Minnesota has organized a large-scale symposium for the Botanical Society of America meetings in Richmond, Virginia, on the topic of the evolutionary relationships of the highly advanced dicots of the subclass Asteridae, including the sunflower, potato, and madder families, among the largest in the world in numbers of species. Fourteen speakers, including four from Europe, will address in turn morphological data, from living and fossil plants, and molecular data, from recent DNA analyses of these plants, to identify areas of agreement and disagreement in our understanding of the phylogeny of Asteridae and to target projects necessary to achieve resolution. Plans have already been made for publication of the meeting's deliberations, so the results will become widely available to all interested botanists.

对开花植物类群之间广泛的相互关系的分类理解既有助于也限制了植物形态学、生理学和生态学的比较研究。在对分类群进行了充分采样的地方，对其进化或谱系关系的深入了解有助于对同源结构或生化途径或生活史进行富有成效的比较。当分类群不为人所知的时候，常常会在看似相关的形式之间进行比较，而关于究竟是趋同还是真正的进化关系导致了所研究的形式或功能上的相似性，争论可能会无休止地持续下去。明尼苏达大学的拉里·赫福德博士在弗吉尼亚州里士满为美国植物学会组织了一次大型研讨会，讨论的主题是菊科亚纲中高级植物的进化关系，包括向日葵、马铃薯和菊科。是世界上物种数量最多的国家之一。14位演讲者，包括4位来自欧洲的演讲者，将依次介绍来自活体和化石植物的形态学数据，以及来自这些植物最近的DNA分析的分子数据，以确定我们对菊科系统发育的理解中一致和不一致的领域，并针对解决这一问题所必需的项目。会议讨论结果的出版计划已经制定，因此所有感兴趣的植物学家都可以广泛获取会议结果。