clementine -
A type of small, sweet orange, the result of a cross between a tangerine and Seville orange.
Wikipedia
A clementine is a hesperidium (type of berry), of a variety of mandarin orange (Citrus reticulata) so named in 1902. The exterior is a deep orange colour with a smooth, glossy appearance. Clementines separate easily into seven to fourteen moderately-juicy segments.