2768 x 5296 pixels PNG image, with transparent background. Fraxinus excelsior Common Ash, European Ash. Deciduous tree up to 40 m in height, with a greenish-grey bark, deeply fissured with age. The pale brown fruits or 'keys', which blow away in the wind, consist of a single seed surrounded by a wing. Native to Europe and southwestern Asia. Widely cultivated and naturalized in new Zealand, United States and Canada. Frequently used in garden, parks and streets.