Next time you need to be able to take some sharp close-up shots that illustrate the grain, pores and other identifiable characteristics. Include a scale or ruler for size reference similar to what you see on crime shows where the CSI photographs small objects. Use a neutral brown or gray background, white gives glare with a flash, black would obscure edge details, photofloods would help as the flash is usually too bright for close ups.
As the photos you have, it could be almost any wood treated to look like many other woods. Lack of detail prevent even trying a guess.