Chrysanthemum is a perennial herbaceous plant of the Asteraceae and Chrysanthemum genus in plant taxonomy.
1. According to the cultivation form, it can be divided into multi-headed chrysanthemum, solitary chrysanthemum, tall chrysanthemum, cliff chrysanthemum, art chrysanthemum, desk chrysanthemum and other cultivation types; according to the appearance of petals, it can be divided into garden chrysanthemum and retreat chrysanthemum. , reverse hugging, random hugging, exposed heart hugging, flying midday hugging and other cultivation types. Different types of chrysanthemums have various species names. ?
2. Chrysanthemum is a perennial herb, 60-150 cm high. Stem erect, branched or unbranched, pubescent. The leaves are alternate, with short stalks. The leaves are ovate to lanceolate, 5-15 cm long, pinnately lobed or half-lobed, with a wedge-shaped base, covered with white pubescence below, with thick serrated or deeply lobed edges, and a wedge-shaped base. Has a handle. The flower heads are solitary or several in clusters at the top of stems and branches, 2.5-20 cm in diameter, of varying sizes, single or in several clusters at the tops of stems and branches. Flowering period September-November. Stamens, pistils and fruits are mostly underdeveloped.
3. Chrysanthemums grow vigorously and have strong germination power. A chrysanthemum can produce thousands of flower buds after being picked many times. Some varieties have soft and numerous branches, which are convenient for making various shapes, such as chrysanthemum towers and chrysanthemum towers. There are exquisite shapes such as chrysanthemum bridge, chrysanthemum fence, chrysanthemum pavilion, chrysanthemum gate, chrysanthemum ball and so on. It can also be cultivated into large chrysanthemums, cliff chrysanthemums, ten kinds of brocades, bonsais, etc. The forms are changeable and become a spectacle, adding countless ornamental works of art to the annual chrysanthemum exhibition. Chrysanthemum can be used as medicine to treat diseases. Taking it or drinking chrysanthemum tea for a long time can make people live longer. Su Che, a poet of the Song Dynasty, said: "The white chrysanthemums of Nanyang have miraculous merits, and there are many old men living on the lake."