Children (23 direct children, 26 direct and indirect children):
Grammatophyllum wallisii
Grammatophyllum martae
Grammatophyllum multiflorum
(tree size 2)
Grammatophyllum rumphianum
Grammatophyllum scriptum
(tree size 1)
Giant orchid
Grammatophyllum speciosum
Grammatophyllum schmidtianum
Grammatophyllum stapeliiflorum
Grammatophyllum elegans
Grammatophyllum fenzlianum
Grammatophyllum kinabaluense
Grammatophyllum measuresianum
Grammatophyllum ravanii
Grammatophyllum pantherinum
Grammatophyllum ellisii
Grammatophyllum papuanum
Grammatophyllum paludosum
Grammatophyllum roemplerianum
Grammatophyllum celebicum
Grammatophyllum giganteum
Grammatophyllum leopardinum
Grammatophyllum scandens
Grammatophyllum pulchrum