Children (14 direct children, 15 direct and indirect children):
Hydnora triceps
Hydnora africana
(tree size 1)
Hydnora abyssinica
Hydnora esculenta
Hydnora sinandevu
Hydnora visseri
Hydnora johannis
Hydnora americana
Hydnora angolensis
Hydnora aethiopica
Hydnora arabica
Hydnora gigantea
Hydnora hanningtonii
Hydnora michaelis