heliotropism

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heliotropism

[‚hē·lē′ä·trə‚piz·əm]
(biology)
Growth or orientation movement of a sessile organism or part, such as a plant, in response to the stimulus of sunlight.
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The Arctic poppy is heliotropic, tracing the sun's path with its flower head to maximize the solar rays and covering its stem in dark hairs to absorb heat.
Decades apart, both projects transform enormous industrial spaces into heliotropic naves, each achieved in the artist's own signature style: in the case of Matta-Clark, all alone, the result observed by very few; for Eliasson, surrounded by dozens of assistants, fabricators, curators, and PR agents--and an audience of thousands.
It concludes with a heliotropic nod to Blake and Montale, favored shades who also revered sunflowers: