The leaves of Italian alder are heart-shaped and 2 - 3 cm (0.8 – 1.2 in) long and 1.5 - 2 cm (0.6 – 0.8 in) broad. The leaf base is slightly asymmetric. The leaf margin is serrated.
The male flowers (catkins) of alder are reddish females are red.
Small woody cones dark brown and up to 3 cm (1.2 in) long.
The branches are smooth, glossy and brown red.
single tree or planting in groups in urban green