DictionaryRoot: Boysen
English
Boysen
Rudolf Boysen
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noun
boysenberry
BOY-zuhn-bair-ee/ˈbɔɪznberi/
A bramble bearing large dark red hybrid berries.
Etymology
The berry is named for Rudolf Boysen, the California botanist who developed it. The name commemorates its developer rather than describing the hybrid fruit’s color or flavor.