134017 Filbert Corylus maxima (Betulaceae) HEIGHT to 6m
Very similar to Hazel except for the nuts, which are mostly solitary or in bunches of 2–3 and entirely enclosed in an undivided involucre, which is constricted over the nut and toothed at the tip. A native of the Balkans, but widely planted elsewhere for the superior quality of its nuts, and sometimes naturalized