The genomic basis of adaptive leaf variation in the Galápagos giant daisies.

doi:10.1038/s41467-026-71865-3

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Article

The genomic basis of adaptive leaf variation in the Galápagos giant daisies.

Nature communications - 16 Apr 2026

Bieker Vanessa C, Li Siyu, Cerca José, Battlay Paul, Falahati Anbaran Mohsen, Sharma Amit, Jaramillo Díaz Patricia, Fernández-Mazuecos Mario, Ramos-Madrigal Jazmín, Martin Sarah L F, Santos-Bay Luisa, Petersen Gitte, Seberg Ole, Vargas Pablo, Nielsen Rasmus, Gilbert M Thomas P, Rivas-Torres Gonzalo, Leebens-Mack James, Rieseberg Loren H, Nielsen Lene R, Sinha Neelima, Martin Michael D

Abstract excerpt

Scalesia (Asteraceae) is the largest endemic plant genus of the Galápagos archipelago and an example of adaptive radiation. While Scalesia species are highly varied in habit and morphology, most remarkable is their variety of leaf shapes, especially in the differential presence of leaf lobing/serration, a derived trait that evolved multiple times as a likely adaptation to the islands' hot and dry equatorial...

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PMID: 41991926
DOI: 10.1038/s41467-026-71865-3
PMCID: PMC13273160

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