The , also written yukou,Molecular characterization and genetic diversity among Japanese acid citrus (Citrus spp.) based on RAPD markers , Journal of Horticultural Science & Biotechnology (2003) 78(1) 108-112. is a Japanese citrus found in the Nagasaki Prefecture and Saga Prefecture of Japan. Genetic analysis has shown it to be a cross between the kishumikan and koji, a part-tachibana orange hybrid native to Japan.
See also Citrus × depressa (Shikwasa, Hirami lemon) Jabara
References
External links The Yuko, a Native Japanese Citrus