Citrus microcarpa, commonly known as calamondin or calamansi, is a small citrus fruit native to Southeast Asia. It is characterized by its thin, orange skin and tart flavor, often used in cooking and beverages. The tree is small, typically growing to about 3 to 5 feet tall, and features glossy green leaves and fragrant white flowers. This fruit is popular in Filipino cuisine and is often used to enhance dishes or as a dipping sauce. Citrus microcarpa is also valued for its ornamental qualities, making it a common choice for home gardens and landscaping due to its attractive foliage and fruit.