Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates

Bo Song; Lu Sun; Spencer C. H. Barrett; Angela T. Moles; Ya-Huang Luo; Scott Armbruster; Yong-Qian Gao; Shuang Zhang; Zhi-Qiang Zhang; Hang Sun

doi:10.1111/nph.18271

Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates

Bo Song^*, Lu Sun, Spencer C. H. Barrett, Angela T. Moles, Ya-Huang Luo, Scott Armbruster, Yong-Qian Gao, Shuang Zhang, Zhi-Qiang Zhang, Hang Sun

^*Corresponding author for this work

Institute of Life Sciences and Healthcare

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Abstract

The 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 worldwide, 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

Original language	English
Pages (from-to)	2054-2065
Journal	New Phytologist
Volume	235
Issue number	5
Early online date	25 May 2022
DOIs	https://doi.org/10.1111/nph.18271
Publication status	Published - 1 Sept 2022

Keywords

flower lifespan
global climate change
latitudinal variation
pollen limitation
pollinator guilds
pollinator reliability
mating systems

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1111/nph.18271

Global analysis of floral longevity
This is the peer reviewed version of the following article: Song, B., Sun, L., Barrett, S.C.H., Moles, A.T., Luo, Y.-H., Armbruster, W.S., Gao, Y.-Q., Zhang, S., Zhang, Z.-Q. and Sun, H. (2022), Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates. New Phytol., which has been published in final form at https://doi.org/10.1111/nph.18271. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation.
Accepted author manuscript (Post-print), 8.22 MB

Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates
Song, B. (Creator), Sun, L. (Creator), Barrett, S. (Creator), Moles, A. (Creator), Luo, Y. (Creator), Armbruster, S. (Creator), Gao, Y. (Creator), Zhang, S. (Creator), Zhang, Z. (Creator) & Sun, H. (Creator), Dryad, 2022
DOI: 10.5061/dryad.44j0zpcgv, http://datadryad.org/stash/dataset/doi:10.5061/dryad.44j0zpcgv
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title = "Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates",

abstract = "The 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 worldwide, 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",

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author = "Bo Song and Lu Sun and Barrett, {Spencer C. H.} and Moles, {Angela T.} and Ya-Huang Luo and Scott Armbruster and Yong-Qian Gao and Shuang Zhang and Zhi-Qiang Zhang and Hang Sun",

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N2 - The 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 worldwide, 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

AB - The 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 worldwide, 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

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KW - pollen limitation

KW - pollinator guilds

KW - pollinator reliability

KW - mating systems

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Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates

Abstract

Keywords

UN SDGs

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Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates

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