Berlinia spp. of the family Fabaceae; includes at least B. acuminata, B. auriculata, B. bracteosa, B. confusa, B. grandiflora, and B. niembaensis, and I have no idea which of them are represented on this page unless specifically listed with a pic.
web pics:
planks
berlinia planks photographed by Michael Lempert, whom I thank for providing the pics. The first show shows the plank in the sun with wet/dry setions and the second shows it in the shade. The last shot is the edge grain. The enlargements on all these are QUITE large.