Fig. 2From: Mechanism of action of microRNA166 on nitric oxide in alfalfa (Medicago sativa L.) under drought stressConservative motifs in the branch of the pre-miR166 evolutionary tree The yellow brand corresponds to the branch with a base colour of yellow in the evolutionary tree of Fig. 1; the Blud brand corresponds to the branch with a base colour of blue in the evolutionary tree of Fig. 1; and the Pick bland corresponds to the branch with a base colour of pink in the evolutionary tree of Fig. 1Back to article page