Reproductive isolation between two sympatric bat-pollinated Bauhinia (Leguminosae)

doi:10.1007/s10265-023-01508-x

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	Reproductive isolation between two sympatric bat-pollinated Bauhinia (Leguminosae)
	Albuquerque-Lima, Sinzinando; Lopes, Ariadna Valentina; Machado, Isabel Cristina
	2024
发表期刊	JOURNAL OF PLANT RESEARCH
卷号	137 期号:1 页码:65-77
摘要	Several barriers contribute to reproductive isolation between plant species, which can be classified as pre- or post-pollination. Understanding the strength of these barriers could clarify the factors that maintain reproductive isolation and thus species integrity. In this study, we quantified reproductive isolation between two bat-pollinated co-occurring Bauhinia species (B. acuruana and B. pentandra) with similar flower morphology. Over the course of 18 months, we assessed reproductive isolation between these two Bauhinia species by quantifying the individual strengths and absolute contributions of five pre- and post- pollination barriers. Our data showed that both species are completely isolated in their reproduction by a combination of several barriers. Although they co-occur in a few populations, we found a high degree of geographic isolation between them. And although their flowering periods overlap, there is a significant difference in flowering peaks. Both species have the same pollinating bats, but the interspecific transfer of pollen between the plant species may be reduced due to the different length of the flower stamens, resulting in different pollen deposition on the bats' bodies. We have documented complete incompatibility between taxa and conclude that pre- and post-pollination barriers are important factors in preventing gene flow, even in contact zones between these two species of Bauhinia. We highlight that our work is the first study to use methods to estimate the strength of reproductive isolation barriers between bat-pollinated species.
关键词	Chiropterophily Floral morphology Inter-taxon incompatibility Nocturnal anthesis Pollen deposition Reproductive barriers FLORAL ISOLATION BREEDING SYSTEM COLUMNAR CACTI BIOLOGY CAATINGA ECOLOGY PLANTS CAESALPINIOIDEAE HYBRIDIZATION EVOLUTION
学科领域	Plant Sciences
DOI	10.1007/s10265-023-01508-x
WOS记录号	WOS:001106479300001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/74807
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Albuquerque-Lima, Sinzinando,Lopes, Ariadna Valentina,Machado, Isabel Cristina. Reproductive isolation between two sympatric bat-pollinated Bauhinia (Leguminosae)[J]. JOURNAL OF PLANT RESEARCH,2024,137(1):65-77.
APA	Albuquerque-Lima, Sinzinando,Lopes, Ariadna Valentina,&Machado, Isabel Cristina.(2024).Reproductive isolation between two sympatric bat-pollinated Bauhinia (Leguminosae).JOURNAL OF PLANT RESEARCH,137(1),65-77.
MLA	Albuquerque-Lima, Sinzinando,et al."Reproductive isolation between two sympatric bat-pollinated Bauhinia (Leguminosae)".JOURNAL OF PLANT RESEARCH 137.1(2024):65-77.

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