28:speciation&26:duplication&6:duplication&2:speciation&0:leaf&1:leaf&5:speciation&3:leaf&4:leaf&25:speciation&9:duplication&7:leaf&8:leaf&24:duplication&18:duplication&14:speciation&12:duplication&10:leaf&11:leaf&13:leaf&17:speciation&15:leaf&16:leaf&23:speciation&21:duplication&19:leaf&20:leaf&22:leaf&27:leaf