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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Divergence with gene flow across a speciation continuum of Heliconius butterflies

Fig. 3

Bayesian phylogenetic relationships at the red color locus. Phylogenetic clustering across the 65-kb region that modulates red color pattern variation sorts taxa by phenotype. The postman and the rayed clades form reciprocally monophyletic lineages, with H. himera clustering with the rayed races, while H. e. cyrbia clusters with the postman races. Within each phenotype, samples cluster by geography. Heliconius himera clusters within H. erato, rather than diverging prior to the H. erato radiation. Red branches indicate rayed lineages. Nodal values are posterior probabilities of clade support, with bold braches indicating a node with >95 % support. Sample names (ID, hybrid zone, race) are indicated at the terminal nodes, color-coded by race

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