Smilax China China (scientific name: Smilax China China), also known as: diamond bean, diamond thorn, etc. , a climbing shrub of Liliaceae, has a stem length of 1-3 m, a few of which can reach 5 m, sparse spines, a petiole length of 5- 15 mm, green flowers and a berry diameter of 6-66. The flowering period is from February to May, and the fruiting period is 9-165438+1October. Mainly distributed in China, Myanmar, Viet Nam, Thailand and the Philippines. Its rhizome can extract starch and tannin extract, and can also be used to make wine.