olallieberry
noun
olal·lie·ber·ry ˈō-lə-lē-ˌber-ē 
: a blackish berry that is a hybrid of a loganberry and youngberry, resembles an elongated blackberry, and is grown chiefly along the western U.S. coast
Example Sentences
Recent Examples on the Web Your next stop is Cambria, a quiet coastal community known for its lush pine trees and olallieberry pie. 
Los Angeles Times, 31 Mar. 2022 For lunch, stop by Linn’s Restaurant which is known for its famous olallieberry—a cross between a blackberry with a raspberry—pies and desserts. Chelsea Davis, Forbes, 3 July 2021 One more thing: While in Cambria, stop at Linn’s Easy as Pie Cafe for a slice of its fresh-baked olallieberry pie. Los Angeles Times, 15 Apr. 2021 The olallieberry, a cross between a blackberry, loganberry and youngberry, originated in 1949 in Oregon, but mostly thrives in California — especially on the coast. SFChronicle.com, 17 Sep. 2020
Los Angeles Times, 31 Mar. 2022 For lunch, stop by Linn’s Restaurant which is known for its famous olallieberry—a cross between a blackberry with a raspberry—pies and desserts. Chelsea Davis, Forbes, 3 July 2021 One more thing: While in Cambria, stop at Linn’s Easy as Pie Cafe for a slice of its fresh-baked olallieberry pie. Los Angeles Times, 15 Apr. 2021 The olallieberry, a cross between a blackberry, loganberry and youngberry, originated in 1949 in Oregon, but mostly thrives in California — especially on the coast. SFChronicle.com, 17 Sep. 2020 Word History
Etymology
Chinook Jargon olallie berry, probably from Lower Chinook úlali camas patch, from ú-lalχ camas + -iχ, deictic suffix
First Known Use
1968, in the meaning defined above