Children (22 direct children, 33 direct and indirect children):
Ptilostemon afer
(tree size 2)
Ptilostemon stellatus
Ptilostemon chamaepeuce
(tree size 4)
Ptilostemon hispanicus
Ptilostemon abylensis
Ptilostemon casabonae
Ptilostemon diacantha
(tree size 2)
Ptilostemon dyricola
Ptilostemon echinocephalus
Ptilostemon gnaphaloides
(tree size 2)
Ptilostemon grandei
Ptilostemon leptophyllus
Ptilostemon niveus
Ptilostemon rhiphaeus
(tree size 1)
Ptilostemon strictus
Ptilostemon tauricola
Ptilostemon greuteri
Ptilostemon muticus
Ptilostemon ×parisiensis
Ptilostemon polycephalus
Ptilostemon fruticosus
Ptilostemon ×pabotii