Flame Mahogany

'Flame' or 'crotch-cut' mahogany is cut at the crotch where a limb protruded from the trunk of the tree, producing a flame-like figuring:

It is a cutting technique also used with other fine hardwoods, including walnut, and is extremely expensive, given the small number of major limbs on any trunk. It is a hallmark of quality in furniture construction and is highly-prized for its inherent beauty.