Children (16 direct children, 17 direct and indirect children):
Pithecoctenium crucigerum
Monkey's-comb
Pithecoctenium buccinatorium
Pithecoctenium cuneifolium
Pithecoctenium cynanchoides
(tree size 1)
Pithecoctenium frutescens
Pithecoctenium laxiflorum
Pithecoctenium scabriusculum
Pithecoctenium parviflorum
Pithecoctenium carolinae
Pithecoctenium buccinatum
Pithecoctenium falcatum
Pithecoctenium hatschbachii
Pithecoctenium tribrachiatum
Pithecoctenium uleanum
Pithecoctenium buccinatoria
Pithecoctenium glaziovii