Mentha arvensis var. javanica (Oduthalan,ඔඩුතලං)

  

Mentha arvensis var. javanica, commonly known as Japanese mint, is a subspecies of wild mint cultivated in tropical and subtropical regions, including Sri Lanka. This aromatic herb is widely valued for its high menthol content and refreshing scent, making it popular in both culinary and medicinal applications.

The plant features square stems, lance-shaped leaves, and small purple flowers. Its leaves are distilled to produce menthol-rich essential oil, which is used in balms, toothpaste, cough drops, and aromatherapy products. The herb also plays a role in traditional medicine as a remedy for indigestion, headaches, and respiratory issues.

In Sri Lanka, Mentha arvensis var. javanica is cultivated in home gardens and herbal farms. It thrives in moist, well-drained soils and is often harvested before flowering to ensure maximum oil yield. The fresh leaves are sometimes used in teas and culinary preparations for their cool, minty flavor.

The plant grows year-round in warm climates and is typically propagated by cuttings. With its diverse uses and pleasant aroma, Japanese mint remains a valuable addition to Sri Lanka’s herbal and agricultural practices.