Slate. Slate is a metamorphic rock. Metamorphic rocks are formed when sedimentary or igneous rocks are exposed to conditions of very high pressure or temperature, or are exposed to large amounts of very hot water. Slate is formed when fine-grained sedimentary rock (shale) is buried and exposed to high pressure deep beneath the Earth's surface.
The peony is a flowering plant in the genus Paeonia, the only genus in the family Paeoniaceae. They are native to Asia, Southern Europe and Western North America.Boundaries between species are not clear and estimates of the number of species range from 25 to 40.erbaceous and Itoh peonies are propagated by root division, and sometimes by seed. Tree peonies can be propagated by grafting, division, seed, and from cuttings, although root grafting is most common commercially. Herbaceous peonies such as Paeonia lactiflora, will die back to ground level each autumn.
Flowers are a common theme in general in Chinese traditional paintings, but the peony is an especially popular one. In Chinese art, the peony is a symbol of wealth, power and class; therefore it is an often-seen theme in traditional painting, silk embroidery, national clothes and decorations.eonies may be small, but they are a unique flower of China, with a history that dates back thousands of years. Loved for its beauty, the peony is the national flower of China.