Англо-русский кулинарный словарь

1)tayberry - tay·ber·ry [ táy bèrree ] (plural tay·ber·ries) - noun

Definition:

1. berry of tayberry: a sweet dark red berry that is a cross between a blackberry and a raspberry

2. blackberry raspberry cross: a bush that bears tayberries, produced by crossing a blackberry with a raspberry

2) это Википедия: Tayberry is a cultivated shrub of the family rosaceae bred in 1962 from a cross between the Blackberry and the Raspberry at the Scottish Crops Research Institute, Invergowrie, Scotland by David Jennings and David Mason. The fruit is sweeter, much larger and more aromatic than the Loganberry variety. It is grown for its edible fruits which can be eaten raw or cooked to make jam or other dishes, with a cropping period from early July to mid August.