Beautiful Yellow Colour Common Sunflower
The Common Sunflower, one of the most recognized and beloved flowers in the world, is not only celebrated for its striking beauty but also for its remarkable versatility and rich history. With its bright yellow petals radiating from a dark central disk, the sunflower has become a symbol of positivity, warmth, and renewal. However, there’s more to this vibrant plant than its cheerful appearance—its ecological, agricultural, and cultural significance runs deep.
Botanical Characteristics
The common sunflower belongs to the Asteraceae family, which is one of the largest families of flowering plants. This family also includes daisies, marigolds, and asters. The sunflower is an annual herbaceous plant that typically grows between 5 to 12 feet tall, although some cultivated varieties can reach heights of over 15 feet. It has a sturdy, bristly stem, large, heart-shaped leaves, and a thick taproot system that allows it to access water from deep soil layers.
The sunflower's most distinguishing feature is its large, composite flower head, which consists of two types of flowers:
Ray Flowers: These are the large, yellow, petal-like structures that give the sunflower its iconic sun-like appearance. These ray flowers are sterile and serve the purpose of attracting pollinators.
Disk Flowers: The central dark brown or black portion of the sunflower is made up of hundreds or even thousands of small tubular flowers called disk flowers. These flowers are fertile and develop into sunflower seeds after pollination.
Sunflowers are known for their ability to undergo heliotropism—a phenomenon where the young flower heads track the movement of the sun from east to west during the day. This behavior, controlled by the plant's internal circadian rhythm, helps optimize photosynthesis by ensuring that the leaves and flower heads are exposed to maximum sunlight. As the sunflower matures, its stem stiffens, and the flower heads generally face east to protect the seeds from excessive heat during the midday sun.
Device Information
| Device | Redmi Note 10 Pro |
|---|---|
| Location | Bangladesh |
