Children (9 direct children, 10 direct and indirect children):
Caulacanthus ustulatus
(tree size 1)
Caulacanthus okamurae
Caulacanthus salifugus
Caulacanthus compressus
Caulacanthus divaricatus
Caulacanthus horridulus
Caulacanthus indicus
Caulacanthus rigidus
Caulacanthus spinellus