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Citrus unshiu ''Citrus unshiu'' is a semi-seedless and easy-peeling citrus species, also known as miyagawa mandarin, unshu mikan, cold hardy mandarin, satsuma mandarin, satsuma orange, naartjie, and tangerine. ''Citrus unshiu'' was named after Unshu (Wenzho ...

'' × '' sinensis'') is a Japanese

citrus ''Citrus'' is a genus of flowering plant, flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as Orange (fruit), oranges, Lemon, lemons, grapefruits, pomelos, and lim ...

fruit that is a hybrid of a ''Miyagawa Wase''

mikan ''Citrus unshiu'' is a semi-seedless and easy-peeling citrus species, also known as miyagawa mandarin, unshu mikan, cold hardy mandarin, satsuma mandarin, satsuma orange, naartjie, and tangerine. ''Citrus unshiu'' was named after Unshu (Wenzho ...

and an orange. The new breed was the first

tangor The tangor (''C. reticulata'' × ''C. sinensis'') is a citrus fruit hybrid of the mandarin orange (''Citrus reticulata'') and the sweet orange (''Citrus sinensis''). The name "tangor" is a formation from the "tang" of tangerine and the "or" of " ...

created in Japan in 1949. It was named Kiyomi after the temple and the lagoon near its experiment station in

Shizuoka city is the capital city of Shizuoka Prefecture, Japan, and the prefecture's second-largest city in both population and area. It has been populated since prehistoric times. the city had an estimated population of 690,881 in 106,087 households, and ...

and registered as "Tangor Nōrin No.1" in 1979. Kiyomi are sweet. Sugar content is normally 11–12° Bx and reaches even 13 °Bx if conditions are met.

Citric acid Citric acid is an organic compound with the chemical formula HOC(CO2H)(CH2CO2H)2. It is a colorless weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in t ...

content is around 1%. It has no seeds. The time of ripening is mid to late March. The flavor is similar to that of a ''mikan'', while the aroma is similar to that of an orange. Kiyomi is a monogerm, so it is often used as a parent citrus to create new hybrids such as

dekopon is a seedless and sweet variety of satsuma orange. It is a hybrid between Kiyomi and ponkan (Nakano no.3), developed in Japan in 1972. Originally a brand name, "Dekopon" has become a genericized trademark and it is used to refer to all brands ...

References

External links

Kiyomi
at the

National Agriculture and Food Research Organization The is a Japanese research facility headquartered in Tsukuba Science City, Ibaraki, and the workforce is located in Tsukuba and in several cities and towns throughout Japan. The organization is dedicated to scientific research related to Agric ...

Japanese fruit Citrus hybrids Citrus {{Rutaceae-stub