Figure 2From: Reconciling taxonomy and phylogenetic inference: formalism and algorithms for describing discord and inferring taxonomic rootsAn alternative definition of convexity. Example colored trees showing the (i) original and (ii) strong definition of convexity, assuming a and b don't appear elsewhere in the tree. In this figure, (i) and (ii) are convex according to the original definition, but only (ii) is convex according to the strong definition.Back to article page