Translation guide
The fruit 'blueberry' is commonly referred to as ブルーベリー in Japanese. There is also a native Japanese word クロマメノキ, but it is rare and technical.
Referring to the blueberry fruit in everyday contexts, such as food, shopping, or cooking.
The standard loanword for 'blueberry'. Used in all common contexts.
I bought blueberries.
I like blueberry jam.
The native Japanese name for the plant Vaccinium uliginosum, which produces blueberries. Rarely used outside botanical or specialized contexts.
The bog bilberry is an alpine plant.