ecological natural
Thuja sutchuenensis from the age of dinosaurs, Cretaceous, 300 million years of history, once thought to be extinct the, world forestry research expert group called for in the world the most rare, the oldest gymnosperms, World Conservation Union announced for the critically endangered species, is the only "living fossil plant, has been hailed as" China's national treasure ". Thuja only grows in the Daba Mountains, the Taihang Mountains of individual mountains between the so called "Bai Ya precipitous rock faces and sheer cliffs".
In 1892 by French missionaries fargis Chengkou Southern discovered for the first time in 1998 the World Conservation Union cliff Platt as one of our own extinction of three plants. But in October 1999, "Chongqing city national key protection wild plant backbone investigation team" in the Chengkou inspection, through hardships, and finally re found have been "disappeared" Thuja sutchuenensis wild populations. In 2000 the 3 period the plant journal, to the world announced "Bai Ya no extinction". Because the knot Thuja was very scarce, natural regeneration is difficult, the critically endangered status, to strengthen the protection of.
Thuja sutchuenensis is moderate sweet and can be used to taste sweet, there are very high medicinal value, it is who also played this analogy: "if say aloes can 'help', then Bai Ya can 'keep life'." Li Shizhen as early as in the "compendium of Materia Medica" with "theft of a diameter of plant feet. The value of million of money" of Thuja sutchuenensis magical effect highly.
