#StrychnosNuxBlanda

Tūmka, a small seed from the Strychnos nux-blanda tree, sits at a crossroads between centuries of folk wisdom and modern science. Known by many regional names—Kotkakling, Khimka, Makting, and Sa Laeng Jai—the seed is famous for both healing potential and serious danger. In Thailand, communities across rural areas keep its memory alive while experts scrutinize its real-world health implications.

This dual reputation mirrors a broader conversation about traditional remedies in Thailand. The seed’s appearance in local medicines is matched by cautions about toxicity, illustrating a cultural tension between reverence for ancestral knowledge and the demands of contemporary health standards.

For centuries, Tūmka—the modest seed from the Strychnos nux-blanda tree—has held a mysterious place in Thai folk medicine. Known under a constellation of regional names, including “Kotkakling”, “Khimka”, “Makting”, and “Sa Laeng Jai”, the seed’s reputation oscillates between being a powerful remedy and a perilous poison. With its origins woven through the rural and traditional communities of Thailand, Tūmka continues to intrigue both cultural custodians and biomedical scientists alike. But how much of its legacy stands up to modern science—and what should health-conscious readers know if they encounter this potent botanical?