Danfeng gastrodia elata:
Danfeng County produces large and bright gastrodia elata and is commonly known as the “home of high-quality gastrodia elata in China”. Taking natural sisal hemp as germ, commercial gastrodia elata is produced through asexual cultivation. This method allows Danfeng high-quality product to reserve medicinal property of wild gastrodia elata and owns features including degradation of sexual propagation, high yield and quality. “Danfeng high-quality gastrodia elata” has been listed into Yearbook of Local Specialties in China. The trademark of Danfeng Tianma has been registered in State Trademark Bureau.