green mandarin; green-skinned mandarin orange
Refers to a type of mandarin orange that can be eaten while the skin is still green; not simply an unripe orange.
Green mandarins are sweet and delicious even though the skin is green.
Around this time of year, green mandarins start appearing in stores.
Compound of 青 (ao, 'green') and 蜜柑 (mikan, 'mandarin orange'), literally 'green mandarin'.