| ODZICOUNA |
Scytopetalum klaineanum Pierre |
282 |
| OFOSS |
Pseudospondias Engl. |
17 |
| OFOSS |
Pseudospondias microcarpa (A.Rich.) Engl. |
85 |
| OKALA |
Xylopia aethiopica (Dunal) A.Rich. |
556 |
| OKAN |
Cylicodiscus gabunensis Harms |
30 |
| OKOLANGOUMA |
Lecomtedoxa klaineana (Pierre ex Engl.) Pierre ex Dubard |
20 |
| OKOUME |
Aucoumea klaineana Pierre |
1825 |
| OLENE |
Irvingia grandifolia (Engl.) Engl. |
78 |
| OLON |
Zanthoxylum heitzii (Aubrév. & Pellegr.) P.G.Waterman |
310 |
| ONCOBA |
Oncoba dentata Oliv. |
18 |
| ONCOBA |
Oncoba brachyanthera Oliv. |
2 |
| ONZABILI |
Antrocaryon klaineanum Pierre |
8 |
| ONZAN |
Odyendyea gabonensis (Pierre) Engl. |
92 |
| ONZEM |
Anthonotha P.Beauv. |
19 |
| ONZEM |
Anthonotha fragrans (Baker f.) Exell & Hillc. |
102 |
| ONZEM |
Anthonotha macrophylla P.Beauv. |
694 |
| ONZEM |
Anthonotha ferruginea (Harms) J.Léonard |
222 |
| ONZEM |
Anthonotha pynaertii (De Wild.) Exell & Hillc. |
10 |
| OSSABEL |
Dacryodes normandii Aubrév. & Pellegr. |
91 |
| OSSANG-ELI |
Parinari excelsa Sabine |
23 |