CIRCADIAN MOVEMENT. Tribulus cistoides. “Its bright yellow flowers come to life at sunrise and face into the sun. During the day, as the sun appears to move across the sky, the flowers of Tribulus track the sun like little satellite dishes, reorienting themselves so that they always face into the sun. When the sun drops below the horizon, the flowers close. Some species of day-flowering plants can open and close their flowers for several days in succession.”
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linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022