TequillaShotz t1_j4t2x8l wrote
If you watch a sunflower during this blooming period, you will see that it tracks the sun - facing toward the E in the morning and following the sun across the sky until it ends the day facing W.
andyhfell OP t1_j52fd6a wrote
Which is also controlled by the circadian clock! https://www.ucdavis.edu/news/sunflowers-move-clock
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