Common name: Turkish filbert, hazel
Corylus colurna is the largest of the hazel trees. It is native to Asia Minor. The nuts are smaller than commercial hazelnuts, but the root stock does not sucker, so it is used in grafting commercial varieties.
Green tree photo: Mykola Swarnyk, via Wikimedia Commons
Autumn tree photo: Hughie Jones in the Garden, October 2021
Bark photo: Marija Gajić, via Wikimedia Commons
Leaves/husk photo: Farbentraude via Wikimedia Commons
Nut photo: böhringer friedrich, via Wikimedia Commons