Cedrelinga catenaeformis of the family Leguminosae (subfamily Mimosoideae), the legume or pea family
From tropical South America. In Brazil the suffix “-rana” means “resembling ...”, so “cedrorana” means “false cedar”.
My thanks to Paul van Rijckevorsel for this summary
web pics
although these planks were listed on the web as cedroana, Paul van Rijckevorsel tells me that they definitely do NOT look like cedroana and in fact are probably Spanish Cedar
planks
both sides of a plank and a closeup
plank and closeup
pen blanks that have been oiled and waxed --- this pic is from a vendor who makes many woods look purple, regardless of their actual color.