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Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates
Song, Bo; Sun, Lu; Barrett, Spencer C. H.; Moles, Angela T.; Luo, Ya-Huang; Armbruster, W. Scott; Gao, Yong-Qian; Zhang, Shuang; Zhang, Zhi-Qiang; Sun, Hang
2022-09
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Volume235Issue:5Pages:2054-2065
AbstractThe length of time a flower remains open and functional - floral longevity - governs important reproductive processes influencing pollination and mating and varies considerably among angiosperm species. However, little is known about large-scale biogeographic patterns and the correlates of floral longevity. Using published data on floral longevity from 818 angiosperm species in 134 families and 472 locations world-wide, we present the first global quantification of the latitudinal pattern of floral longevity and the relationships between floral longevity and a range of biotic and abiotic factors. Floral longevity exhibited a significant phylogenetic signal and was longer at higher latitudes in both northern and southern hemispheres, even after accounting for elevation. This latitudinal variation was associated with several biotic and abiotic variables. The mean temperature of the flowering season had the highest predictive power for floral longevity, followed by pollen number per flower. Surprisingly, compatibility status, flower size, pollination mode, and growth form had no significant effects on flower longevity. Our results suggest that physiological processes associated with floral maintenance play a key role in explaining latitudinal variation in floral longevity across global ecosystems, with potential implications for floral longevity under global climate change and species distributions.
Department城市与区域生态国家重点实验室 ; 城市与区域生态国家重点实验室
KeywordR PACKAGE HEMISPHERIC ASYMMETRIES REPRODUCTIVE ECOLOGY POLLEN LIMITATION FLOWER LONGEVITY POLLINATION BIODIVERSITY TEMPERATURE PATTERNS TRAITS
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/47264
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Yunnan Int Joint Lab Biodivers Cent Asia, Kunming 650201, Yunnan, Peoples R China
3.Univ Toronto, Dept Ecol & Evolutionary Biol, 25 Willcocks St, Toronto, ON M5S 3B2, Canada
4.UNSW Sydney, Sch Biol Earth & Environm Sci, Evolut & Ecol Res Ctr, Sydney, NSW 2052, Australia
5.Univ Portsmouth, Sch Biol Sci, Portsmouth PO1 2DY, Hants, England
Recommended Citation
GB/T 7714
Song, Bo,Sun, Lu,Barrett, Spencer C. H.,et al. Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates[J]. NEW PHYTOLOGIST,2022,235(5):2054-2065.
APA Song, Bo.,Sun, Lu.,Barrett, Spencer C. H..,Moles, Angela T..,Luo, Ya-Huang.,...&Sun, Hang.(2022).Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates.NEW PHYTOLOGIST,235(5),2054-2065.
MLA Song, Bo,et al."Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates".NEW PHYTOLOGIST 235.5(2022):2054-2065.
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