珍贵树种（Valuable tree species）.docVIP

珍贵树种（Valuable tree species） Rare species catalogue Summary Ginkgo tree Metasequoia Handkerchief tree Fragrant fruit tree Edit this paragraph overview Rare tree species belonging to Chinas specialty, rare or endangered species, as well as a certain number of, but also gradually reduce the fine tree species collectively. The Ministry of agriculture and forestry in China in 1975 was the precious tree is divided into two categories: the first category includes Hopea, Bauhinia wood, fir, etc. 9 and Erythrophleum fordii Metasequoia, Davidia involucrata, 5 native species of Taiwania flousiana, to forbid cutting, to strengthen protection and administration, as for special needs, at the Ministry of forestry group. The second category includes nanmu, toon, wild litchi, Sequoia 12 has been gradually reduced, such as the need to cut down by the Provincial Forestry Bureau, forestry department for the record and report. The classification of precious tree species is relative, often supplemented and adjusted according to the discovery of new precious tree species and the growth and decline of existing rare tree species. Edit this paragraph ginkgo tree The ginkgo tree also known as white fruit, also known as the ancient tree duck feet or maidenhair tree. As far back as about two trillion and seventy million years ago, the ancestors of Ginkgo began to appear. Compared with the ferns all over the world at that time, it was still higher plants. About about one trillion and seventy million years ago, and at that time as ginkgo has been to dominate the world of dinosaurs all over the world, then, the vast majority of Ginkgo like dinosaurs extinct, only in some areas of our country saved a little bit, spread to the present, a rare treasure. Ginkgo trees are divided into male and female, male ginkgo trees, only long male flowers, Female Ginkgo trees, only long female flowers, fertilization will produce a round fruit, commonly known as ginkgo. Ginkgo biloba is the only species of gymnosper