40:duplication&8:speciation&6:speciation&4:speciation&2:duplication&0:leaf&1:leaf&3:leaf&5:leaf&7:leaf&39:duplication&35:speciation&33:speciation&31:speciation&29:duplication&25:duplication&15:duplication&11:speciation&9:leaf&10:leaf&14:speciation&12:leaf&13:leaf&24:duplication&20:speciation&18:duplication&16:leaf&17:leaf&19:leaf&23:speciation&21:leaf&22:leaf&28:speciation&26:leaf&27:leaf&30:leaf&32:leaf&34:leaf&38:speciation&36:leaf&37:leaf