The , also written yukou, is a

Japanese citrus A number of citrus fruits are grown in or strongly associated with Japan. Many of these fruits are of Chinese origin, but have been modified or specially bred for cultivation in Japan. Japanese taxonomy Japan usually follows the botanical names ...

found in the

Nagasaki Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Nagasaki Prefecture has a population of 1,314,078 (1 June 2020) and has a geographic area of 4,130 Square kilometre, km2 (1,594 sq mi). Nagasaki Prefecture borders ...

and

Saga Prefecture is a prefecture of Japan located on the island of Kyushu. Saga Prefecture has a population of 809,248 (1 August 2020) and has a geographic area of 2,440 km2 (942 sq mi). Saga Prefecture borders Fukuoka Prefecture to the northeast and Nagasak ...

of Japan. Genetic analysis has shown it to be a cross between the

kishumikan The kishu mikan (''Citrus kinokuni'' ex Tanaka) is a hybrid variety of mikan, or mandarin orange (''Citrus reticulata''), found in Southern China and also grown in Japan. It is not closely related to the common sweet orange, but it is closel ...

and koji, a part-

tachibana orange The tachibana orange (''Citrus tachibana,'' or ''Citrus reticulata tachibana'') is a variety of mandarin orange, a citrus fruit. They grow wild in the forests of Japan and are referred to in the poetry of the early Japanese and Ryukyu Islands ki ...

hybrid native to Japan.
File:Citron Japonais.jpg, Yuko File:Yuukou1.jpg, Citrus Yuko File:Citrus yuukou4.jpg, Cross section of a Yuko

References

External links

The Yuko, a Native Japanese Citrus
{{Fruit-stub Chinese fruit Citrus hybrids Garden plants of Asia Japanese fruit Ornamental trees

See also

References

External links