เสลดพังพอนตัวผู้ (Salet Pang Pon Tua Phu) / Justicia gendarussa
Family: Acanthaceae
Justicia gendarussa, known in Thai as เสลดพังพอนตัวผู้, is a medicinal shrub widely cultivated across Thailand and Southeast Asia. It is recognized for its anti-inflammatory and analgesic properties, commonly used in Thai traditional medicine to treat joint pain, swelling, and snake or insect bites.
Botanical Characteristics
This evergreen shrub grows 1–2 meters tall with smooth, green stems and narrow, lance-shaped leaves. The foliage is soft and aromatic when crushed. Small white or pale purple flowers form at the tips of branches. It grows well in partial shade and moist, well-drained soil.
Use in Thai Traditional Medicine
In Thai herbal practice, the leaves of เสลดพังพอนตัวผู้ are used both externally and internally to reduce inflammation and pain. Poultices made from crushed leaves are applied to insect stings or sprains, while decoctions are used to relieve body aches and arthritis symptoms. The herb is also believed to balance the body’s heat and energy.
Phytochemical Components and Effects
Active compounds include flavonoids and alkaloids that exhibit anti-inflammatory, antioxidant, and mild analgesic effects. Studies indicate potential benefits in reducing rheumatic pain and moderating immune responses.
Cultivation Notes
Gendarussa thrives in tropical climates and can be propagated easily from stem cuttings. It prefers filtered sunlight and regular watering. In the KBE Thai Medicinal Herb Garden, it is maintained for its dual role as both a healing and protective plant in traditional Thai herbal systems.
Historical Context
Historically, Justicia gendarussa has been used throughout South and Southeast Asia in Ayurveda and Thai medicine. It was believed to “drive away venom and heat” and was a common household remedy for swelling and fever. Modern herbalists continue to value it as a safe, mild anti-inflammatory herb.
Disclaimer: This information is provided for educational and historical purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional before using any herbal preparation.
