30:speciation&28:speciation&24:speciation&20:speciation&16:speciation&14:speciation&12:speciation&8:speciation&6:speciation&4:speciation&2:speciation&0:leaf&1:leaf&3:leaf&5:leaf&7:leaf&11:speciation&9:leaf&10:leaf&13:leaf&15:leaf&19:duplication&17:leaf&18:leaf&23:speciation&21:leaf&22:leaf&27:speciation&25:leaf&26:leaf&29:leaf