Children (12 direct children, 13 direct and indirect children):
Calla palustris
(tree size 1)
Bog arum
Calla aethiopica
Calla nitida
Calla picta
Calla polyphylla
Calla humilis
Calla occulta
Calla sagittifolia
Calla montana
Calla sylvestris
Calla calyptrata
Calla oculata