What plants are extinct?

The Chinese Dove Tree - dove tree, also known as water pear and dove tree, is a deciduous tree. It is 10 million years ago, the Cenozoic Tertiary left the relict plants, in the Quaternary glacial period, most areas of the dove tree successive extinction. Because of China's many mountains and rivers, became a variety of plants and animals natural refuge, dove tree is in China's central and western remote mountainous areas survived one of the ancient plants, botanists call it a pearl in the forest, plant living fossil and green panda.

The sundew, the name of the Chinese herbal medicine. This product is CycansrevolutaThunb, a plant of the genus Cycas in the family Cycasaceae, which is used as medicine for its leaves, roots, flowers and seeds. Roots and leaves can be collected in all seasons, flowers in summer, and seeds in fall and winter, and dried in the sun. Functions: Leaves: astringent to stop bleeding, detoxification and pain relief. Used for all kinds of bleeding, gastritis, gastric ulcer, hypertension, neuralgia, amenorrhea, cancer.