Thanks Alan,
That information helps a lot.
If patterned timoho wood is that valuable, I'd suggest going into business making some. It looks like it's easy to grow (
link), and it has uses beyond wrongko wood, which means that the whole tree could be used. What someone needs to do is to hook up with a mycologist to culture the fungus responsible for the staining. You get some trees, wound them appropriately (doesn't necessarily have to be with an insect), and inoculate with the staining fungus. Harvest a year or two later. The return from the sale of the wood would be enough to pay for the mycologist's services.
This is just a thought, not a solicitation to go into business. There are people who make a living inoculating wood with commercially important fungi, so in theory this could work. If patterned timoho wood and teak are that valuable, it would be an interesting thing for someone to try.
F