boysenberry

(bo̵izən ber′ē, bo̵isən-)

noun pl. boysenberries

a large berry, dark red or almost black when ripe, which is a cross of varieties of raspberry, loganberry, and blackberry

Origin: after Rudolph Boysen, U.S. horticulturist who developed it (c. 1935)

See boysenberry in American Heritage Dictionary 4

noun
  1. A prickly bramble of uncertain origin but ultimately derived from a western North American blackberry (Rubus ursinus).
  2. The edible, dark wine-red to nearly black fruit of this plant, having a taste suggestive of raspberries.

Origin:

Origin: After Rudolph Boysen (died 1950), American botanist

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