单词	heliotropism
释义	heliotropism /ˌhiːlɪə(ʊ)ˈtrəʊpɪz(ə)m / noun [mass noun] 1 Botany The directional growth of a plant in response to sunlight. Compare with phototropism.The adaptive significance of solar tracking in snow buttercups is mediated through the impact of flower heliotropism on paternal and maternal floral environments.... The heliotropism itself is an adaptation for survival, the plant maximizing sunlight. All legume plants do this, so be sure to watch your peas and beans for signs of heliotropism. 1.1 Zoology The tendency of an animal to move towards light. Derivatives heliotropic /ˌhiːlɪə(ʊ)ˈtrɒpɪk / adjective ... Using a similar idea in the moral realm, Augustine says that we naturally seek the good and try to turn towards it, as a heliotropic flower seeks the sun. Like a heliotropic plant, she turned towards warmth and light, which unfortunately were the blinding flashes of cameras. For fourteen years, off and on, I have spent the spring on the south coast of Cornwall, in the heliotropic village of St Mawes.
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