Wikipedia
Banpeiyu
Banpeiyu is a cultivar of pomelo which produces extremely large fruits.
A Banpeiyu fruit became the worlds heaviest pomelo when it was presented by Seiji Sonoda from Japan for the Guinness World Record at the Banpeiyu Competition in Yatsushiro, Kumamoto, Japan on the 25th of December 2005. This specimen weighed 4.8597 kg (10 lb 11.3 oz) with a circumference of 83.5 cm (32.8 in).
The fruit of the Banpeiyu is very popular in Japan for eating fresh, due to its blend of mild acidity and pleasant sweetness, it is also used in the production of fruit jelly.