Gambeya lacourtiana and Gambeya subnuda, and a related species Chrysophyllum africanum, all of the family Sapotaceae. The botanical name Gambeya africana also exists but it is now considered just a synonym for Chrysophyllum africanum.
my samples: NOTE: these pics were all taken in very bright incandescent lighting ("soft white" at 2700K) colors will vary under other lighting conditions
plank and closeup
sanded samples and end grain, cut from the piece directly above