Rising Sun
by Evie Carrier
Title
Rising Sun
Artist
Evie Carrier
Medium
Photograph - Photography
Description
A young sunflower's flower head faces the sun to receive the sunlight it needs for photosynthesis. Heliotropism is the term for a plant's ability to follow the sun. That ability allows a sunflower to move with the sun as it arcs across the sky from east to west; the sunflower's bloom always faces the sun.
The neck of the sunflower's stem, just below the bloom, points the bloom in the direction of the sun. In early morning, plant cells on the western side of the stem begin to grow and elongate, causing the sunflower bloom to tilt toward the sun. As the sun moves across the sky, the cells on the stem's side that is opposite the sun elongate, keeping the flower head facing the sun.
Uploaded
August 30th, 2015
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