Oak apple due to the superficial resemblance and the preponderance of the oak marble gall in the wild. Other galls found on oak trees include the oak artichoke gall and the acorn cup gall, but each of these has its own distinctive form. Some common oak-apple-forming species are the "Biorhiza pallida" gall wasp in Europe, "Amphibolips confluenta" in eastern North America, and "Atrusca bella" in western North America. Oak apples may be brownish, yellowish, greenish, pinkish, or reddish. Oak galls have been used in the production of ink since at least the time of the Roman Empire. From the Middle Ages to
Oak Apple Day Heart of Oak Society organize an annual event, where members of the society gather at the local pub and march through the village holding flower and oak leaf decorated sticks, whilst following the society banner and a brass band. The march goes first to the church for a service, and then to houses who host refreshments. The Heart of Oak Society was previously a friendly society, but had to reform in 1989 to keep the tradition going. Although Oak Apple Day celebrations have decreased in popularity and knowledge, Fownhope has managed to keep the event going, increasing in popularity and