Hazel Corylus avellana
![Hazel Corylus avellana natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/09/hazel-corylus-avellana-473x525.jpg)
Hazel Corylus avellana sprig with immature and mature hazel nuts, along with a sprig with small female flowers and catkins
Hazel Corylus avellana sprig with immature and mature hazel nuts, along with a sprig with small female flowers and catkins