Children (13 direct children, 16 direct and indirect children):
Rehmannia glutinosa
(tree size 1)
Rehmannia elata
Rehmannia chingii
(tree size 2)
Rehmannia henryi
Rehmannia piasezkii
Rehmannia solanifolia
Rehmannia sect. triaenophora
Rehmannia japonica
Rehmannia chrysantha
Rehmannia angulata
Rehmannia integra
Rehmannia chinensis
Rehmannia glutinosa ex