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Fig. 5 | BMC Evolutionary Biology

Fig. 5

From: Fruit syndromes in Viburnum: correlated evolution of color, nutritional content, and morphology in bird-dispersed fleshy fruits

Fig. 5

Blue and red fruits display different endocarp shapes across a broad range of Viburnum species (115 species). On the x-axis, we plotted endocarp shape in cross-section, where species with small values have rounder cross-sections while species with high values have flatter cross-sections. On the y-axis, we plotted endocarp shape in profile, where low values indicate round endocarps and high values indicate elliptical endocarps. Red-fruited species have flat endocarps, while blue-fruited species have rounder endocarps. The one exception is V. clemensiae, which is red but has a round endocarp (labeled to illustrate its position in endocarp shape space). The dashed red line shows the shape space for all red-fruited species excluding V. clemensiae. Opaque dots indicate species for which we generated new nutritional data in this paper

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