Common sunflower

The common sunflower,scientifically known as Helianthus annuus,is a widely recognized and popular flowering plant.Common sunflowers are tall, annual plants that can reach heights of 5 to 12 feet.They have a thick, hairy stem and large, rough, heart-shaped leaves.The flowers are typically large and showy, with a characteristic dark brown center disk surrounded by bright yellow petals.However, sunflowers can also come in other colors, such as orange and red.Sunflowers are native to North America and were cultivated by indigenous peoples for centuries before their introduction to other parts of the world.They are now grown in many regions worldwide.Sunflowers are relatively easy to grow and are cultivated for various purposes, including ornamental uses, food production, and oil extraction. They prefer full sun and well-drained soil.The plant's roots are deep and extensive, allowing them to withstand dry conditions.Sunflowers have several uses.The seeds are a nutritious food source and are often consumed roasted or used in baking and cooking.Sunflower oil is extracted from the seeds and is commonly used in cooking and as a base for salad dressings.The tall sunflower plants can also be grown for decorative purposes in gardens or as cut flowers.