酢橘(学名:Citrus sudachi)芸香科的常绿植物。是日本柚子的近缘种开花期是5-6月左右开白色的花。秋天结果。

Sudachi (Citrus sudachi; Japanese: スダチ or 酢橘) is a small, round, green, Japanese citrus fruit that is a specialty of Tokushima Prefecture in Japan.

It is a sour citrus, not eaten as fruit, but used as food flavoring in place of lemon or lime.