A Japanese farmer has reaped the fruits after studying round oranges to grow into pentagonal fruits.
Farmer Keisuke Ninomiya created a unique citrus fruit with a pentagonal shape. The orange and mandarin plants for pentagonal fruits are called 'iyokan' or 'Gokaku no Iyokan' is sold very well in Japan because it is considered a lucky charm on exams.
The name 'Gokaku no Iyokan' also means 'the sweetness of success in exams'.