Do sunflowers really follow the Sun?: Media
Videos
Sunflower heliotropism
Timelapse clip of a maturing sunflower (Heliathus annuus) tracking the Sun...
Video: HAGOP S. ATAMIAN, NICKY M. CREUX, AND STACEY L. HARMER
Images
Sunny side up
A field of mature sunflowers (Helianthus annuus) oriented toward the east.
Bruce Fritz—ARS/USDA