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.
blueberry
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 bog bilberry is an alpine plant.