nyctinasty
McGraw-Hill Science & Technology Dictionary:
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nyctinasty
(′nik·tə′nas·tē)
(botany) A nastic movement in higher plants associated with diurnal light and temperature changes.
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nyctinasty
[G. nyktinastie] /NIK teh NAS ti/
Botany plant movement associated with diurnal changes of temperature or light; e.g. the shutting of the petals of a flower at night
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nyctinasty
IN BRIEF: n.- A movement (as the opening and closing of some flowers) that is associated with diurnal changes of temperature or light intensity.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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