nyctitropic

[nik-ti-trop-ik, -troh-pik]
adjective Botany.
  1. tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants.

Origin of nyctitropic

First recorded in 1875–80; nycti- + -tropic
Related formsnyc·tit·ro·pism [nik-ti-truh-piz-uh m] /nɪkˈtɪ trəˌpɪz əm/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of nyctitropic