Citrus japonica
 
Calamondin, also known as Philippine lime or Calamansi, is a small citrus fruit with a thin, green to orange skin. The fruit has a tart, sour flavor with a hint of sweetness, making it ideal for use in cooking, drinks, and as a garnish. Its aromatic juice is commonly used in Filipino and Southeast Asian cuisines, especially in sauces, marinades, and desserts. The tree itself is compact and can be grown in pots, producing fruit year-round.