Children (7 direct children, 7 direct and indirect children):
Paphiopedilum callosum var. potentianum
Paphiopedilum callosum var. warnerianum
Paphiopedilum callosum var. callosum
Paphiopedilum callosum var. sublaeve
Paphiopedilum callosum var. viniferum
Paphiopedilum callosum f. viridiflorum
Paphiopedilum callosum subsp. sublaeve