
Detailed Labeled Diagram of Sunflower SunflowerdiagramThe sunflower is also known as Helianthus annuus in other countries. Sunflower is native to theAmericas, with a huge flowering head inflorescence.The branch of sunflower can grow as high as 3 meters or 9 3/4 feet, and the flower head can reach 30 cm or 11.8 inch in diameter with the "large"...