Latest Sunflower Reference Libraries
2005-06-23 11:53:34
The sunflower (Helianthus annuus) is an annual plant in the family Asteraceae. The stem of the flower can grow up to 3 meters tall and the large flower head can reach up to 30cm in diameter. The sunflower is notable for turning to face the Sun, a behavior known as heliotropism. History Sunflowers are native to the Americas, and were domesticated around 1000 B.C. Francisco Pizarro found the Inca subjects venerating the sunflower as an image of their sun god, and gold images of the...
