The Phenomenal Berry
This also is a new species introduced by hybridization. Its parents were the California dewberry and the Cuthbert raspberry. Unlike the Primus berry, it is not a first-generation hybrid. It appeared in the second generation. The name "Phenomenal" is fully justified both because of the origin of the plant, and because it bears fruit that is perhaps larger than any other berry hitherto seen.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 6 Chapter 2