Botany - Hazel Tree

Scientific name Corylus avellana
Appearance Deciduous shrub with broad, rounded, and toothed leaves, producing yellow catkins in late winter and ovoid fruits (hazelnuts) protected by a cupule
Smell Woody, green and dry, with sweeter notes during the ripening of the hazelnuts
Color Green (foliage), light brown (bark and hazelnuts), yellow (catkins)
Used parts Wood, leaves, catkins, hazelnuts
Origins Temperate Europe, Western Asia
Toxicity level None (except for food allergies to tree nuts)