Why do sunflowers face the sun?

Sunflower is a kind of flower that everyone is not strange to. The biggest characteristic of this kind of flower is facing the sun, so people call this kind of flower sunflower. As early as the end of the 18th century, Darwin, a famous British biologist, began to have a strong interest in the phenomenon of sunflowers facing the sun. For this reason, we have done a lot of investigation and research. Let's take a look at why sunflowers face the sun.

Why do sunflowers face the sun?

The stem of sunflower contains a wonderful plant auxin, which is very afraid of light. When exposed to light, it will go to the side of the backlight, and at the same time, it can stimulate the cells on the backlight side to multiply rapidly, so the backlight side grows faster than the light side, causing the sunflower to bend to light. At the same time, sunflowers facing the sun are also closely related to gravity.

Does the sunflower always face the sun?

Sunflowers don't always face the sun. It is true that the sunflower is facing the sun during the period from germination to before the disk is in full bloom. its leaves and disk follow the sun from east to west during the day, slowly swing back after sunset, and wait for the sun to rise to the east at about 3 o'clock in the morning. But once the disk is in full bloom, it no longer turns to the sun, but is fixed to the east.

What does sunflower mean?

Bravely pursue the happiness you want. The flower words of sunflowers are faith, glory, arrogance, loyalty, love, meaning silent love, representing the courage to pursue the happiness they want. Although the flower posture of the sunflower is not as romantic as the rose or as pure as the lily, it is sunny, bright, magnanimous and unforgettable, has its own unique charm, and blooms not only love, but also the love of dreams and life.