Celtis australis

Celtis australis, commonly known as the European nettle tree, Mediterranean hackberry, lote tree, or honeyberry, is a deciduous tree endemic to southern Europe, North Africa, and Asia Minor. The tree was introduced to England in 1796.
Description
The tree can grow to 25 m in height, though 10 m is more common in cooler climates. The bark is smooth and grey, almost elephantine. The alternate leaves are narrow and sharp-toothed, rugose above and tomentose below, 5–15 cm long and dark grey/green throughout the year, fading to a pale yellow before falling in autumn. The apetalous wind-pollinated flowers are perfect (:hermaphrodite, having both male and female organs), small and green, either singly or in small clusters. The fruit is a small, dark-purple berry-like drupe, 1 cm wide, hanging in short clusters, and are extremely popular with birds and other wildlife.
...