close up of corkscrew hazel (corylus avellana) 'contorta'.

close corkscrew hazel corylus avellana 'contorta' twisted branches contorted spring intricately bark european bush botany bio cane harry lauder's walking stick year round attractive ornamental europe outdoors species common hazel spring botanical common avellana bud shrub twig contorta branch winter garden leaf closeup yellow color environment abstract beautiful park season old pattern brown outdoor plant texture natural tree background nature