Castanospermum australe of the family Fabaceae. I've only seen the veneer on this Australian species and as you can see from my pics what I've bought has a nice curly figure but judging from the web pics, the curl is not pervasive in the species.
my samples:
curly veneer
web pics:
planks
scales
veneer
listed as "Australian" blackbean veneer, but this is an Australian species, so the "Australian" in the designation is superfluous.