def METHOD_NAME(node):
    if node.is_leaf:
        c = LABEL_START_COL
        largest = 0
        for tname in TRACKED_CLADES:
            if hasattr(node, "named_lineage") and tname in node.named_lineage:
                linF = TextFace(tname, fsize=10, fgcolor='white')
                linF.margin_left = 3
                linF.margin_right = 2
                linF.background.color = lin2color[tname]
                add_face_to_node(linF, node, c, position='aligned')
                c += 1
        for n in range(c, len(TRACKED_CLADES)):
            add_face_to_node(TextFace('', fsize=10, fgcolor='slategrey'), node, c, position='aligned')
            c+=1