Question: a deciduous shrub with edible brown nuts a species of hazel
Answer: Nut surrounded by a soft , leafy involucre , multiple - stemmed , suckering shrubs to 12 m tall Involucre short , about the same length as the nut Corylus americana -- American hazel , eastern North America Corylus avellana -- Common hazel , Europe and western Asia Corylus heterophylla -- Asian hazel , Asia Corylus yunnanensis -- Yunnan hazel , central and southern China Involucre long , twice the length of the nut or more , forming a ' beak ' Corylus colchica -- Colchican filbert , Caucasus Corylus cornuta -- Beaked hazel , North America Corylus maxima -- Filbert , southeastern Europe and southwest Asia Corylus sieboldiana -- Asian beaked hazel , northeastern Asia and