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Evolving the structure: climatic and developmental constraints on the evolution of plant architecture. A case study in Euphorbia
Anest, Artemis1; Charles-Dominique, Tristan; Maurin, Olivier3; Millan, Mathieu4,5; Edelin, Claude6,7; Tomlinson, Kyle W.
2021
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Volume231Issue:3Pages:1278-1295
Abstract

Plant architecture strongly influences ecological performance, yet its role in plant evolution has not been explored in depth. By testing both phylogenetic and environmental signals, it is possible to separate architectural traits into four categories: development constraints (phylogenetic signal only); convergences (environmental dependency only); key confluences to the environmental driver (both); unknown (neither). We analysed the evolutionary history of the genus Euphorbia, a model clade with both high architectural diversity and a wide environmental range. We conducted comparative analyses of 193 Euphorbia species world-wide using 73 architectural traits, a dated phylogeny, and climate data. We identified 14 architectural types in Euphorbia based on trait combinations. We found 22 traits and three types representing convergences under climate groups, 21 traits and four types showing phylogenetic signal but no relation to climate, and 16 traits and five types with both climate and phylogenetic signals. Major drivers of architectural trait evolution likely include water stress in deserts (selected for succulence, continuous branching), frost disturbance in temperate systems (selected for simple, prostrate, short-lived shoots) and light competition (selected for arborescence). Simple architectures allowed resilience to disturbance, and frequent transitions into new forms. Complex architectures with functional specialisation developed under stable climates but have low evolvability.

Subject AreaPlant Sciences
DOI10.1111/nph.17296
Indexed BySCI
Language英语
WOS IDWOS:000639913000001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12296
Collection2012年后新成立研究组
Affiliation1.[Anest, Artemis; Tomlinson, Kyle W.] Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Sorbonne Univ, CNRS, 4 Pl Jussieu, F-75005 Paris, France
4.Royal Bot Gardens Kew, Plant & Fungal Trees Life, Comparat Plant & Fungal Biol, Richmond TW9 3AE, Surrey, England
5.Univ Witwatersrand, Sch Anim Plant & Environm Sci, Ctr African Ecol, Private Bag X3, ZA-2050 Johannesburg, South Africa
6.Stellenbosch Univ, Dept Bot & Zool, Global Change Biol Grp, Private Bag X1, ZA-7602 Matieland, South Africa
7.French Inst Pondicherry, 11,Post Box 33st Louis St, Pondicherry 605001, India
8.CIRAD TA A51 PS2, UMR AMAP, F-34398 Montpellier 5, France
9.Tomlinson, Kyle W.] Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Mengla 666303, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Anest, Artemis,Charles-Dominique, Tristan,Maurin, Olivier,et al. Evolving the structure: climatic and developmental constraints on the evolution of plant architecture. A case study in Euphorbia[J]. NEW PHYTOLOGIST,2021,231(3):1278-1295.
APA Anest, Artemis,Charles-Dominique, Tristan,Maurin, Olivier,Millan, Mathieu,Edelin, Claude,&Tomlinson, Kyle W..(2021).Evolving the structure: climatic and developmental constraints on the evolution of plant architecture. A case study in Euphorbia.NEW PHYTOLOGIST,231(3),1278-1295.
MLA Anest, Artemis,et al."Evolving the structure: climatic and developmental constraints on the evolution of plant architecture. A case study in Euphorbia".NEW PHYTOLOGIST 231.3(2021):1278-1295.
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