Dendrobium denticulatum originated in India, and was introduced to Europe from India in11940s. As an ornamental plant, Dendrobium denticulatum is a kind of Dendrobium. At the same time, it is used as a parent plant to cultivate one of Dendrobium hybrid varieties. This plant is distributed in Vietnam, Bhutan, Laos, Cambodia, Thailand and Myanmar except India. During the 65438+1930s, it was also distributed in northwest Guangxi (Longlin), southwest Guizhou (Xingyi and Luodian), southeast Yunnan to west Yunnan (Mengla, Menghai, Hekou, Jinping, Lancang, Zhenkang, Yangbi, Yingjiang and Longling) and southeast Tibet (Medog). Plum (199 1) reported its application as Dendrobium. Zheng Boren (1990) reported that this species was freshly processed into "fine yellow grass" in Yunnan, and the stem was called "vetiver grass" after drying. Bao Xuesheng Heshun Qingsheng discovered this species in Shanghai pharmaceutical market in 1980s and used it as fresh Dendrobium. In the 1990 s, the purple maple bucket was collected. Now the output of Dendrobium is increasing, so a large number of maple buckets are processed.