http://www.makassar.it/chitarra/?n=telemaco-bn-hollowbody-fl...
http://en.m.wikipedia.org/wiki/Flame_maple

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Note added at 26 mins (2014-07-06 09:21:36 GMT)
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also called feather

feather crotch --- [also called "flame crotch"] A particularly attractive crotch area that looks a bit like a feather or a flame. Whether a crotch area is called a feather crotch or a flame crotch is entirely up to the vendor, many of whom are overly optimistic about the extent to which their merchandise deserves the designation. I've seen one gun-stock maker who states on his web site that he always calls all crotches flame crotches because "it sounds more impressive". Below are a couple of black walnut crotches that are either flame or feather, take your pick. My pick is that the one on the left is feather and the one on the right is flame, but when I made that decision I was favoring my left leg and squinting in my right eye so you might see it differently. A term that is sometimes used with feather/flame crotches is "rat-tail" which refers to the central spine of the crotch. I find the term "rat-tail figure" to be ridiculous since the rat-tail being referenced is just a part of the crotch.

Three other terms that I have found, that purportedly are used as synonymous with feather crotch, are "rooster tail", "plume", and "burning bush", HOWEVER ... in almost every case that I have found these, the three terms have been used in that sequence with EXACTLY the same phrasing. My conclusion is that someone on the Internet put up a definition using those terms and it got copied several times. I've never seen any of the terms actually use with wood for sale and I do not consider the sources where I found them to be reliable.
http://www.hobbithouseinc.com/personal/woodpics/_figureandgr...