Children (9 direct children, 9 direct and indirect children):
Oncosperma fasciculatum
Oncosperma platyphyllum
Oncosperma tigillarium
Oncosperma gracilipes
Oncosperma horridum
Oncosperma van-houtteanum
Oncosperma tigillaria
Oncosperma filamentosum
Oncosperma vanhoutteanum