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Calamansi

Calamansi is a small citrus hybrid, scientifically classified as *Citrus* × *microcarpa*, also known as calamondin or Philippine lime.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 10, 2026|2 min read| Fact-checked

Calamansi is a small citrus hybrid, scientifically classified as *Citrus* × *microcarpa*, also known as calamondin or Philippine lime. It is cultivated mainly in the Philippines and other parts of Southeast Asia, where its tart fruit is widely used in cooking and drinks. The plant is generally described as a small evergreen tree or shrub. Calamansi is relevant to Canadian readers through Filipino and broader Southeast Asian cuisine, and it is sometimes grown in warm indoor or greenhouse settings in Canada.

Taxonomy and naming

Calamansi is a citrus hybrid in the family Rutaceae and is commonly treated as *Citrus* × *microcarpa*. It is also widely known by the names calamondin and Philippine lime.

Description

The plant is typically described as a compact evergreen shrub or small tree. Its fruit is round, green when unripe, and orange when ripe, with sour juice and an edible peel.

Distribution and cultivation

Calamansi is native to several parts of tropical and subtropical Asia, including the Philippines, parts of Indonesia, Malaysia, Brunei, Taiwan, Sri Lanka, and southern China. Major cultivation occurs in the Philippines, and it is also grown in other tropical regions.

Uses

The fruit is used as a flavouring in cooking, sauces, seafood dishes, marinades, drinks, and desserts. It is valued for its strong citrus aroma and tart taste.

Key facts

  • Calamansi is a citrus hybrid, usually identified as *Citrus* × *microcarpa*.
  • It is commonly called calamondin, Philippine lime, or Philippine lemon.
  • The plant is native to parts of Southeast and East Asia, including the Philippines.
  • The fruit is small, round, and sour, and is used in food and beverages.
  • It is generally described as a small evergreen tree or shrub.
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Canadian context

Calamansi is relevant to Canadian readers through Filipino and broader Southeast Asian cuisine, and it is sometimes grown in warm indoor or greenhouse settings in Canada.

Frequently asked questions

What is calamansi?
Calamansi is a small citrus hybrid, usually classified as *Citrus* × *microcarpa*, and is also called calamondin or Philippine lime.
Where does calamansi grow naturally?
It is native to the Philippines and parts of Indonesia, Malaysia, Brunei, Taiwan, Sri Lanka, and southern China.
Is calamansi the same as calamondin?
Yes. Calamansi and calamondin are commonly used as names for the same plant and fruit.
What does calamansi fruit look like?
The fruit is small and round, usually green before ripening and bright orange when ripe.
How is calamansi used?
It is used in cooking and beverages, especially in Filipino and Southeast Asian cuisine, for its tart citrus flavour.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Calamansi
    Supports: Scientific name, common names, native range, hybrid status, and general cultivation
  2. NC State University Plant Toolbox — https://plants.ces.ncsu.edu/plants/citrus-x-microcarpa/common-name/calamansi/
    Supports: Plant form, family, native Asian origin, and cultivation in tropical regions
  3. Gardenia.net — https://www.gardenia.net/plant/citrus-microcarpa
    Supports: Physical description, fruit size and colour, and distribution
  4. National Parks Board Singapore — https://www.nparks.gov.sg/florafaunaweb/flora/3/3/3351
    Supports: Common names used for *Citrus* × *microcarpa*