首页|引起花冠管长度演化的可能因子与例证

引起花冠管长度演化的可能因子与例证

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多样的花冠形态具有保护花内性器官、吸引传粉者等多种作用,管状花的出现被认为是花瓣演化的一个变革性事件.自达尔文以来,学者们试图回答的一个经典问题是:长花冠管的演化是否由传粉者口器与花冠管之间长度的"军备竞赛"引起?人们已在长花冠管的多个类群中开展了实验,试图寻找交互选择引起的动植物之间协同演化的证据.本文总结了影响植物花冠管长演化的生物因素和非生物因素,探讨了传粉者、盗蜜者、植食者、光照、水分等因素在花冠管长演化中扮演的角色,重点梳理了传粉者介导花冠管长演化的4个潜在路径,以期为进一步探究植物花冠管长度的演化提供新的思路和方向.
Potential selection driving evolution of long corolla tubes and case studies
Diverse corolla morphologies are thought to function in protecting sexual organs within flowers and attracting pollinators.The transition from open to tubular flowers is considered a key innovation in the evolu-tion of corollas.A classic question that scholars have tried to answer since Darwin is:was the evolution of long corolla tubes caused by an arms-race relationship between the proboscis of the pollinator and the length of the corolla tube?Phenotypic manipulations have been conducted across multiple species with long corolla tubes to elucidate the mechanisms underlying the co-evolution between flowers and their interacting animal agents,driven by reciprocal selection.In this review,we summarize both the biotic and abiotic factors affec-ting corolla tube length,including the effects of pollinators,nectar robbers,and herbivores,as well as environ-mental factors like light and water availability.Moreover,we propose four potential evolutionary pathways for the development of pollinator-mediated long-tubed corollas.This review aims to provide insights and gui-dance for future studies on the evolution of tubular flowers.

Corolla tube lengthPollinator-mediated selectionFlora trait evolutionCoevolutionPlant-pollinator interaction

童泽宇、黄双全

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华中师范大学生命科学学院,进化与生态研究所,武汉 430079

花冠管长 传粉者介导选择 花部特征演化 协同演化 植物-传粉者相互作用

国家重点研发计划项目国家自然科学基金国家自然科学基金国家自然科学基金中央高校基本科研业务费领军人才团队项目

2021YFC3100404320300713180019232071671CCNU22LJ003

2023

10.11913/PSJ.2095-0837.23164

植物科学学报
中国科学院武汉植物园， 湖北省植物学会

植物科学学报

CSTPCDCSCD北大核心
影响因子：1.934
ISSN：2095-0837
年,卷(期)：2023.41(6)
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