Dear Alex,

Please have a look at this useful link.

http://www.treesource.co.uk/photoguide-for-the-forest-trees-of-ghana~1250

Good luck

Please check the following useful link also.

https://sites.google.com/site/ghanaplacenames/tools/trees

Please check this useful PDF attachment also.

http://www.discoverlife.org/mp/20q?guide=Trees

https://sites.google.com/site/ghanaplacenames/tools/trees

http://www.westafricanplants.senckenberg.de/root/index.php

http://www.formghana.com/sustainability-concept/environment/trees-form-ghana

I think you better check it in the Ethiopian Flora of books volume 1-7 which is onlinefor farther identification...

you can see

https://caseytrees.org/tree-species/

Maybe it helps you