Deciduous shrubs and trees with pendent, male flowers in late winter and in early spring, borne before the unfolding of the leaves.
Latin name: Corylus colurna
They grow in moderately moist, neutral or alkaline soils, in full sun or part shade.
Plant alone, in groups, in hedges or rows.
Propagated by seeds, by offshoots and by grafting.
Tree with conical crown and yellow flowers.