Acer opalus ssp. obtusatum

Bosnian maple (Acer opalus subsp. obtusatum), also known as Balkan maple, is a subspecies of Acer opalus in the soapberry family Sapindaceae. It is a small to medium-sized deciduous tree native to the mountains and hills of south central and southeastern Europe and parts of North Africa, where it grows mainly on limestone slopes and in mixed broadleaf woodland. The common name “Bosnian maple” refers both to this taxon and, in the timber trade, to high quality maple wood from the western Balkans used in string instrument making, which usually derives from the related species Acer pseudoplatanus (sycamore maple)....read more on Wikipedia.