| 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) |






















































































































































































































