Roxbury russet
/ˌrɒksb(ə)ri ˈrʌsɪt/(also Roxberry russet)
noun
A variety of green-skinned apple with russet markings, originally grown in New England.
Origin
Early 19th century; earliest use found in Catalogue Fruits. From the name of Roxbury (formerly also Roxberry, originally Rocksberry), a town in Massachusetts (now part of Boston), where the variety was developed + russet.