[Medicinal plant resources of Dendrobium in Sichuan Province].

Eleven species of Dendrobium grown in Sichuan Province were studied including their classifications and distributions. All of them are used as the merchandise Shihu. Among them, there are 3 species which are found in Sichuan for the first time and 2 new species whose medical effects are described here in. Problems about the exploitation, utilization, quality standards, etc. of these resources are preliminarily discussed. A key for the identification of all these 11 species has been compiled and presented.