Sunflower handwritten newspaper is concise and beautiful.

Sunflower (scientific name: Helianthus annuus? L English name: Sunflowers): It belongs to Campanulaceae, Compositae and Sunflower. Named after the inflorescence rotates with the sun. Annual herb, 1-3.5 meters high, up to 9 meters. The stems are erect, round and angular, hard and covered with white coarse bristles. Leaves broadly ovate usually alternate, apex acute or acuminate, base with 3 veins, margin coarsely serrated, both sides rough, hairy and long handle. Head, diameter 10-30 cm, solitary at the top of stem or branch. The involucral bracts are multi-layered, leafy, imbricate, with long bristles, bloom in summer, and have neutral yellow tongue-shaped flowers at the edge of inflorescence, which do not bear fruit. The middle of the inflorescence is a bisexual tubular flower, brown or purple, which can bear fruit. Achenes are oval, lignified, gray or black, and are called sunflower seeds.

The habitats of wild sunflowers are mainly grasslands and dry and open areas. They grow along roadsides, fields, desert edges and grasslands. It grows best in sunny, humid or disturbed areas. Native to South America, the domesticated species was brought to Europe from North America by the Spanish in 15 10, and was originally used for viewing. /kloc-It was introduced back to North America from Russia at the end of 0/9. It is cultivated all over the world, and so is China. Through artificial cultivation, many varieties are formed in different habitats, especially in the size, color and achene morphology of flower heads, which is the best raw material for comprehensive utilization.

Mainly divided into two categories: edible and ornamental. Sunflower seed, also known as sunflower seed, is a semi-drying oil with high oil content. They are delicious. They taste delicious. Spike, seed coat and stem can be used as feed and industrial raw materials, such as making rayon and paper pulp. Spike is also used in medicine.

Sunflower, also known as sunrise flower, is named because its flowers often face the sun. The English name "Sunflower" is not because of its sunny characteristics, but because its yellow flowers are like the sun. 16-17th century sunflower borrowed the Latin Flos Solis. The French, Italian and Spanish names of sunflowers are Tournesol, Girasol and Girasol. Like Chinese names, they are also named according to the characteristics of "facing Japan".

In fact, sunflower is one of the crops with the most aliases in Chinese, so that it has become a classic example in linguistics to explain the phenomenon of synonyms between dialects. The classic textbook Linguistics Outline of Peking University mentioned: "... both are sunflowers, and there are different names in Chinese dialects. Tangshan, Hebei is called "sunflower turn", Chengde is called "sunflower turn", Renqiu is called "sunflower turn", Jinan, Shandong is called "sunflower turn", Changle is called "sunflower turn" and Juxian is called "sunflower turn".

Although there are so many aliases, in the end, "sunflower" became a famous name and became the common name of this crop in the whole Chinese world. The earliest mention of this name is also a book in the late Ming Dynasty-Chronicle of Long Stories by Wen Zhenheng, and since then Chen Haozi's reading glasses and other works have also used this name. Obviously, "Sunflower" is a new name, which uses the old plant name "Sunflower". ?