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Wednesday, December 7, 2011

Tibet plants

Tibet is like a giant plant kingdom, with more than 100,000 species of high-grade plants. Many of them are rare and endemic. These plants include about 2,000 varieties of medical herbs used in the traditional medicinal systems of Tibet, China and India. Rhododendron, saffron, bottle-brush tree, high mountain rhubarb, Himalayan alpine serratula, falconer tree and hellebonne are among the many plants found in Tibet.
There are 400 species of rhododendron on the Tibetan Plateau, which make up about 50 percent of the world’s total species. According to scientists, the Tibetan Plateau consists of over 12,000 species from 1,500 genera of vascular plants, which accounts for over half of the total genera found in China.
Tibet is also one of China’s largest forest areas, preserving intact primeval forests. Almost all the main plant species from the tropical to the frigid zones of the northern hemisphere are found here. Forestry reserves exceed 2.08 billion cubic meters and the forest coverage rate is 9.84 percent. Common species include Himalayan pine, alpine larch, Pinus yunnanensis, Pinus armandis, Himalayan spruce, Himalayan fir, hard-stemmed long bract fir, hemlock, Monterey Larix potaniniis, Tibetan larch, Tibetan cypress and Chinese juniper. There are about 926,000 hectares of pine forest in Tibet. Two species, Tibetan longleaf pine and Tibetan lacebark pine, are included in the listing of tree species under state protection. There are more than 1,000 wild plants used for medicine, 400 of which are medicinal herbs most often used. Particularly well known medicine plants include Chinese caterpillar fungus, Fritillaria Thunbergii, Rhizoma Picrorhizae, rhubarb, Rhizoma Gastrodiae, pseudo-ginseng, Codonopsis Pilosula, Radix Gentiane Macrophyllae, Radix Salviae Miltiorrhizae, glossy ganoderma, and Caulis Spatholobi. In addition, there are over 200 known species of fungi, including famous edible fungi songrong, hedgehog hydnum, zhangzi fungus, mush rooms, black fungi, tremellas and yellow fungi. Fungi for medical use include tuckahoes, songganlan, stone-like omphalias.

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