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Boysenberries in different stages of growth

A boysenberry is an aggregate fruit. It has large seeds and a maroon color. It is commonly used in jams and pies. When cooked into jams and pies, it changes color.

It is not a natural species: it is a cultivated variety. A boysenberry is a cross between a European raspberry (Rubus idaeus), a common blackberry (Rubus fruticosus), an American dewberry (Rubus aboriginum) and a loganberry (Rubus × loganobaccus).[1]

References[change | change source]

  1. Vaughan, John Griffith; C. A. Geissler (2009). The new Oxford book of food plants. Oxford University Press. p. 88. ISBN 978-0-19-954946-7 .