noun
Asian hazel; Siberian hazel
Refers to the shrub or small tree Corylus heterophylla var. thunbergii, native to East Asia. The nuts are edible.
ハシバミの実は秋に熟す。
The hazelnuts of the Asian hazel ripen in autumn.
庭にハシバミを植えた。
I planted an Asian hazel in the garden.
Refers specifically to the nut of the common hazel (Corylus avellana), often used in Western confectionery, while ハシバミ is the East Asian species.
The Japanese name ハシバミ is of native origin; the exact derivation is uncertain. The kanji 榛 is a Chinese character for hazel, adopted for this species.