产区分布铁皮石斛是多年野生植物,生长在岩石峭壁上,分布在我国的西南部,广西、云南、贵州等山区;中南地区的湖南、江西、广东以及福建浙江等省。鲜铁皮的类别和规格以广东、福建、江西等地,及湖南和广西交界的五岭山区所产称为山本山铁皮,每支长度约在四寸到一尺二三寸,茎叶带紫,茎脆易折断,折断面,色深绿,富纤维质,有浓厚粘性 The Dendrobium candidum is a wild plant that has been growing for many years. It grows on rocky cliffs and is distributed in the southwest of China, in the mountainous regions of Guangxi, Yunnan, and Guizhou, and in Hunan, Jiangxi, Guangdong, and Fujian and Zhejiang provinces in the south-central region. The type and specifications of fresh iron sheet are called Shanbenshan iron sheet in Guangdong, Fujian, Jiangxi and other places in the Wuling mountain area at the junction of Hunan and Guangxi. The length of each sheet is about four inches to one foot two to three inches, with purple stems and leaves. The stem is brittle and easy to break, broken section, dark green, rich in fiber, thick sticky