Khlu (Pluchea indica): Bridging Thailand’s Herbal Heritage and Modern Science
For centuries, the humble leaves of khlu, known botanically as Pluchea indica (L.) Less., have quietly woven themselves into the tapestry of Thai traditional medicine. Heralded in folklore from Isan to the Southern provinces, this plant—also called หนาดงั่ว, หนวดงิ้ว, เพี้ยฟาน, ขลู, คลู, and ขี้ป้าน, depending on local dialect—has been held as a village remedy for everything from inflamed joints to kidney health. Today, Pluchea indica stands at a fascinating crossroads, with a growing body of research seeking to validate and explain the benefits extolled by generations of healers. How does ancient wisdom surrounding khlu measure up to the scrutiny of modern science, and what should health-conscious Thais know about harnessing its potential responsibly?