1, Mi Hu is the abbreviation of Dendrobium huoshanense, which is also a unique species in Huoshan county and the best among Dendrobium. Mi Hu, also known as Longtou Fengwei, is produced in the deep mountains of Taipingfan Township, Huoshan County, in the hinterland of Dabie Mountain. Its output is scarce, and it often grows on the cliffs in the deep mountains.

2. The scope of protection of geographical indication products of Dendrobium huoshanense is subject to the scope proposed by the People's Government of Huoshan County, Anhui Province in the Letter on Delimitating the Protection Scope of Geographical Indication Products of Dendrobium huoshanense (Huo Zhengmi [2006] No.49).