Acclaimed as 'Gene Bank of Natural Species' and 'A Treasure Basin in Mountains Qingling and Bashan', this region has been a major natural source of medicinal substances since ancient times due to abundant plant and water resources. It produces many precious Chinese herbal remedies such as radix aconiti carmichaeli (which accounts for over 58% of China's total annual yield), Eucommia ulmoides, Gast...