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Fig. 7 | BMC Plant Biology

Fig. 7

From: Early consequences of allopolyploidy alter floral evolution in Nicotiana (Solanaceae)

Fig. 7

Convergent evolution analyses based on morphological and color traits. Morphological traits used include shape PC1, shape PC2, tube length, and tube width. Color traits used include the first three PCs of the spectral PCA. Shifts in color across the branches of the tree represent shifts in floral traits. Brightly colored branches denote suites of similar floral characters that have arisen independently in the evolution of Nicotiana; each color represents a different convergent regime. Green = the ‘green’ regime, red = the ‘pink’ regime, purple = the ‘high UV’ regime, and blue = the ‘white, stellate’ regime. The colors outlining the boxes with flower photographs correspond to these colors. Gray branches on the tree represent shifts in floral traits that were not placed into a convergent regime (they have a single origin). Flower photographs are to scale; scale bar = 5 cm

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