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For the dog of this name pertaining to an internet meme, see Doge (meme)

Unripened Key limes
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Rutaceae
Genus: Citrus
Species: C. sphaerocarpa
Binomial name
Citrus sphaerocarpa
Tanaka, nom. nud.[1]

Kabosu (カボス or 臭橙?) is a juicy green citrus fruit closely related to the yuzu with the sharpness of lemon, used instead of vinegar in some Japanese dishes. It grows on a flowering plant with sharp thorns, and the fruit is harvested when still green but ripens to yellow. Thought to be an ichang papeda - bitter orange hybrid, the Kabosu was brought over from China in the Edo Period and became a popular fruit in Japan. It is produced in most areas of Ōita Prefecture but particularly in Taketa and Usuki. The actual fruit is regarded as a delicacy in other parts of Japan, as it is often expensive outside of Ōita Prefecture. It improves the taste of many dishes, especially baked fish, sashimi and hot pot dishes.


  1. ^ "Citrus sphaerocarpa Tanaka, nom. nud.". Germplasm Resources Information Network (GRIN) online database. Retrieved 25 March 2010.