What is the national flower of Russia and why?

Sunflower, the national flower of Russia.

Reason: The people of the former Soviet Union loved sunflower and regarded it as the national flower. Russia still defines the national flower as sunflower. "Because of the wind, there is no catkin, and sunflowers are biased towards the sun." Sunflower, yearning for the flower of light, brings people a beautiful flower of hope. It is full of treasures and selflessly dedicated to mankind.

Sunflower 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.

Extended data:

growing environment

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. Wild sunflower is resistant to high temperature and low temperature, but it is more resistant to low temperature, and the optimum temperature range is between 2 1-26℃.

Sunflowers have low requirements on soil, and can grow on all kinds of soil, from fertile soil to arid land, barren land and saline-alkali land. Not only has strong saline-alkali resistance, but also has salt absorption performance. It can thrive in alkaline soil and has strong drought resistance.

distribution range

The origin of sunflower is considered to be North America. Wild species are mainly distributed in the south and west of North America, Peru and northern Mexico between 30 and 52 north latitude. When Columbus discovered the New World, the Spaniards who sailed to America brought sunflowers to Europe. Planting and viewing began in Madrid Botanical Garden, Spain. It is cultivated all over the world. The European Union, the Russian Federation, Ukraine, Argentina, the United States, China, India and Turkey are the main producers of sunflowers in the world market.

The main sunflower producing areas in China are mainly distributed in the provinces of north, northeast, northwest and north China of the Yellow River, such as Inner Mongolia, Jilin, Liaoning, Heilongjiang and Shanxi. The main producing area is between 35 and 55 north latitude. The average latitude difference is 65438 0, and the temperature difference is 65438 0.5℃. The production potential of sunflower is great, which can be extended to southwest, south-central and east China.

References:

Baidu Encyclopedia-Russia

? Baidu encyclopedia-sunflower