Simply gorgeous! Serviceberry, hawthorn, chokecherry are all in the rose family and can make good bows.
Serviceberry is also common across the U.S., although ours...
P. virginiana , is what I am familiar with. Luckily, I have lots even in my backyard

Obviously, Gordon, has made a superior bow bookmarked for Jan '09 Self Bow of the Month, too.
The wood in serviceberry is a soft satin brown: see pic
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