Fig. 3

Phylogenetic trees representing (a) the species relationships inferred by OrthoFinder2, with the erroneously arranged Solanoideae clade highlighted by the black bar. The gene tree of putative tropinone reductase protein sequences (b), with previously published functional annotations of proteins in parentheses. The gene tree of putative hyoscamine 6 β-hydroxylase protein sequences (c) with the N-terminal and C-terminal domains of the petunia fusion protein annotated in parentheses