Introduction to Cistanche deserticola: Cistanche deserticola, also known as Jiang Yun, Cun Yun, Cistanche deserticola, Chagan Gaoya (Mongolian), is an endangered species. Tall herbs, 40-160 cm high, mostly underground. The flowering period is from May to June, and the fruiting period is from June to August. It is mainly produced in Xinjiang and Alxa League of Inner Mongolia, and is also distributed in Gansu and Ningxia.