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v. Simple past tense and past participle of burl.

adj. having an irregular pattern from the grain of a tree burl{2}, or one resembling such a pattern, in contrast to the regular wood grain consisting of parallel or concentric lines; -- of wood.

In heraldry, striped.

adj. (of wood) have a pattern from the grain of a tree burl

"At Gagosian, Mr. Serra's long, sinuous, narrow passageways and towering walls of streaked-burnt-orange steel planes are evocative of natural crevices, fine oiled hardwoods such as burled walnut, and nearly every color of sunset."

patterned   

burl