Quercus imbricaria (Shingle Oak)
Native: Central and eastern United States on rich hillsides and fertile damp bottom land
Location: Sometimes planted an ornamental tree in North America, but it is rare in collections in Europe.
Pioneers used its timber for clapboards and shingles, a type of roof tile, hence the name Shingle Oak. A small tree to about 15m in the wild, but may reach 25m in cultivation.
Young leaves are a lovely yellow and remain so until mid June; a mature leaf is normally 10-17.5cm long and usually unlobed but occasionally three-lobed near the base.
Flowers appear in late May or early June, the females are in leaf axils of the new growth.
Acorns grow to 1.8cm long and almost as wide.