Fraxinus excelsior (European ash)

Fraxinus excelsior, known as the ash, or European ash or common ash to distinguish it from other types of ash, is a flowering plantspecies in the olive family Oleaceae. It is native throughout mainland Europe^[2] east to the Caucasus and Alborz mountains. The northernmost location is in the Trondheimsfjord region of Norway.^[3][4] The species is widely cultivated and reportedly naturalised in New Zealand and in scattered locales in the United States and Canada.^[5][6][7]

It is a large deciduous tree growing to 12–18 m (39–59 ft) (exceptionally to 43 m or 141 ft) tall with a trunk up to 2 m (6.6 ft) (exceptionally to 3.5 m or 11 ft) diameter, with a tall, narrow crown.^[2] The bark is smooth and pale grey on young trees, becoming thick and vertically fissured on old trees. 

Source: Wikipedia