| Ondole |
Vernonia amygdalina Delile |
Obamba |
| Ondolo |
Sarcocephalus latifolius (Sm.) E.A.Bruce |
Obamba |
| Ondon |
Aframomum melegueta (Roscoe) K.Schum. |
fang |
| Ondoundou |
Apocynaceae |
Ntéké |
| Onganana |
Hymenocardia acida Tul. |
Obamba |
| Onganga |
Dacryodes Vahl |
mitsogho |
| Ongen |
Croton oligandrus Pierre ex Hutch. |
fang |
| Onghondjia |
Cleistopholis patens (Benth.) Engl. & Diels |
nkomi |
| Ongi |
Virectaria procumbens (Sm.) Bremek. |
Bavovi |
| Ongoma |
Strombosiopsis tetrandra Engl. |
fang |
| Oninga |
Dacryodes normandii Aubrév. & Pellegr. |
Ghesogho |
| Onkoumo |
Gnetum africanum Welw. |
Langue de Franceville |
| Onong |
Anisophyllea R.Br. ex Sabine |
fang |
| Onong |
Carpolobia alba G.Don |
fang |
| Ontaguïtsa |
Chaetocarpus africanus Pax |
Téké |
| Ontcholè |
Psorospermum febrifugum Spach |
Téké |
| Ontchoulou |
Ximenia americana L. |
Téké |
| Ontonou |
Aframomum K.Schum. |
Obamba |
| Onvup (- ele) |
Newbouldia laevis (P.Beauv.) Seem. |
fang |
| Onye |
Garcinia kola Heckel |
fang |