nyctitropic

• nyctotropic

From Ancient Greek νύχτατροπικός (núkhtatropikós, literally “night-turning”).

nyctitropic (not comparable)

1. (botany) Turning or bending at night into different positions.

   Synonym: nyctinastic

   Nyctitropic movements of plants usually consist in a folding or drooping of the leaves, the advantage being in lessening the radiation of heat.

• “nyctitropic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.