| heliotropism |
an orienting response to the sun
출처: wordnet.princeton.edu/perl/webwn
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| heliotropism |
Floral heliotropism is a nastic response to the Sun, often seen in sunflowers and other flowering plant species. Movement is observed during the day, as the flower tracks the course of the Sun across the sky. During the night, the flowers may assume a random orientation, while at dawn they turn again towards the East where the Sun rises. This behavior is exhibited, for example, by the snow buttercup (Ranunculus adoneus), an alpine plant. ...
출처: en.wikipedia.org/wiki/Heliotropism
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| heliotropism |
Sunflowers turn to face the sun throughout the day. (Solar tracking)
출처: blue.utb.edu/biology/Oliva/terms_and_definitions_f...
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