#Traditionalknowledge

Across the rice fields and riverbanks of Thailand’s Northeast, stories spin about a curious plant whose roots are as twisted as the folklore surrounding them. Known as “ปลาไหลเผือกน้อย” (pla lai phueak noi) or regionally as “เอี่ยนด่อน,” Eurycoma harmandiana Pierre has woven itself into the medicinal traditions of Thai and neighboring Lao communities for generations. Bearing a name that translates to “white eel” in local dialects—“เอียน” meaning eel and “ด่อน” denoting the white color—this small but potent shrub holds a revered place in Isan folk practice as a source of wellness, vitality, and resilience, cherished particularly for its powerful roots.

Across Thailand’s Northeast, locals tell of a small shrub whose roots are said to renew strength and vitality. Known as ปลาไหลเผือกน้อย (pla lai phueak noi) or “เอี่ยนด่อน” in some regions, Eurycoma harmandiana Pierre has long featured in Isan and Lao healing traditions. The name, literally describing a “white eel,” underscores the plant’s place in local folklore and its honored status as a tonic with powerful roots.

This piece traces Eurycoma harmandiana from ancient practice to contemporary science. Rural healers, village stories, and modern laboratories converge as researchers examine whether traditional claims hold up under today’s standards. Thailand’s renewed interest in botanical heritage highlights the potential of this humble root to inspire both cultural pride and new health insights.