What changes do sunflowers have in the morning, noon and night? What time do they bloom in a day?

Article Catalog

1. What changes do sunflowers have in the morning, noon and night?

2. What time does it bloom in a day?

---

Generally at three o'clock every morning, sunflowers are already facing the east and waiting for the sun to rise. After sunrise, under the sunlight, it becomes more upright, and gradually adjusts the orientation of the flower disk and leaves according to the movement of the sun. By noon, the sunflower disks were facing south. In the afternoon, the flower disc will gradually curve towards the west, and in the evening, the sunflower's flower disc will face the west. Without sunlight at night, its flower disk will droop, but the plant will still stand upright.

1. What changes do sunflowers have in the morning, noon and night?

Sunflowers, also called sunflowers, originate in Europe. They are named because their flowers are shaped like the sun and adjust their flower disks to follow the sun. Its color is also a bright golden yellow like the sun, which brings a warm feeling to people.

1. What changes do sunflowers have in the morning, noon and night

Generally at three o'clock in the morning every day, sunflowers are already facing the east, ready to wait for the sun to rise. When the sun rises, it will slowly become more upright under the sunlight, and gradually adjust the orientation of the flower disk and leaves according to the movement of the sun. By noon, the sunflower disks were facing south. In the afternoon, the flower disc will gradually curve towards the west, and in the evening, the sunflower's flower disc will face the west. It's just that after the sun goes down at night, its flower disk will droop obviously, but the plant will still be upright, and the auxin in the body will be rearranged and slowly return to the starting position.

However, the sunflower does not follow the sun immediately, and its flower disc no longer rotates towards the sun after it opens, but is fixedly facing the east. This will prevent pollen from being burned by too strong midday sunlight.

2. What time does it bloom in a day

< p>Sunflowers generally start waiting for the sun to rise at three o'clock in the morning every day, and then gradually bloom between four and six o'clock in the morning. Sunflowers can bloom all year round as long as the temperature accumulates enough. When its flowers open, it takes about a week to open from a tongue shape to a tube shape.

2. What time does it bloom in a day?

- END -