Daisies are perennial or panicum miliaceum, and the height is about 10 cm. The leaves are basal, herbaceous, spoon-shaped, the top is round and blunt, the base gradually narrows into a stalk, and the upper half edge has sparse or wavy teeth. The flower head is solitary, 2.5 to 3.5 cm in diameter, and the scape is hairy; Involucre hemispherical or broadly bell-shaped; The involucral bracts are nearly 2 layers, slightly unequal in length, oblong, blunt at the top, and pilose outside. A layer of ligulate flowers, female flowers, with white and pink tongues, spreading, entire or with 2-3 teeth, most bisexual flowers in the center, all bearing fruit, tubular, long eaves, 4-5 lobes.
Achenes are flat, with lateral veins and no veins or 1 veins on both sides. Corona hairs do not exist or connect into rings, combined with corolla tube or achene.
Daisies prefer cold weather to hot weather. Like light, but also tolerant to semi-shade, the soil requirements in the cultivation area are not strict. The optimum temperature for seed germination is 22-28℃, and the optimum temperature for seed growth is 20-25℃. Southwest China is suitable for planting single or semi-double medium and small flowers. Double-petalled medium-sized large-flowered variety with weak growth and poor fruit setting.
Main value
Medicinal value
Daisy, also known as dried chrysanthemum and white chrysanthemum, has extremely high medicinal value. Contains volatile oil, amino acids and various trace elements. Among them, the content of brass is 32% to 6 1% higher than other chrysanthemums, and the content of tin is eight to fifty times higher than other chrysanthemums.
Zhang Lvxiang, an agronomist, once wrote in the Book of Supplementing Agriculture: "Chrysanthemum morifolium tastes sweet and warm, and it is most beneficial to take it for a long time. The ancients ate seedlings in spring, English in summer and roots in winter. Plant one or two plants on the head of each field and take their flowers, which can reduce the tea by half. The tea is bitter and cold, so soak it in bitter chrysanthemum.
Ornamental value
The leaves of daisies are spoon-shaped, clustered and rosette-shaped, dense, short and green. Pulling flowers from leaves, the flowers are scattered, simple in appearance, petite and harmonious in color. Pulling flowers from leaves, the flowers are scattered, simple in appearance, petite and harmonious in color. It blooms in early spring, full of vitality, with gentlemanly demeanor and childlike elegance.
Horticultural value
1, daisy has strong growth potential and is easy to cultivate.
2. Daisy pedicels are of moderate height, with neat flowers and bright and simple colors. Can be used as potted plants to beautify the courtyard balcony, and can also be used for courtyard viewing, potted plants, flower borders, cut flowers and so on.
3. It has a long flowering period and strong cold tolerance, and is the first choice for ground cover flowers in early spring.
4. Daisy, as a ground cover flower of street green space, has strong charm and can be planted with calendula, pansy, rhododendron and Berberis amurensis.