Fig. 4

Evolutionary tree of 154 mature MiR166s from 11 species in 6 families and genera Note: The color of the outer ring color bar represents the colors of different species; The label color represents the grouping of the miR166–3 and -5 terminals; Different branch colors represent the detailed grouping of -3p and -5p, and the percentage at the branch represents the credibility of its grouping; Alfalfa species are labeled as an identifier