Yellow Sterculia (Sterculia oblonga). It is used in Cameroon to make drums. (1.5M)
Here are the pictures of Yellow Sterculia (Sterculia oblonga) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
Cameroon Nature
Dr. Günther Eichhorn Travel Website
Soaring website