nyctinastic

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nyctinastic
nyctinastic, a. Bot. (nɪktɪˈnæstɪk) [a. G. nyctinastisch (W. Pfeffer Pflanzenphysiologie (ed. 2, 1904) II. xii. 476): see nycti- and nastic a.] Of the movements of flowers or leaves, caused by a regular cycle of changes in light and temperature. So nyctiˈnastism, ˈnyctinasty, movement of this kind. ... Oxford English Dictionary
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Nyctinasty
Nyctinastic movements are associated with diurnal light and temperature changes and controlled by the circadian clock. This indicates nyctinastic movement may be beneficial toward plant growth. wikipedia.org
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Pulvinus
Sleep movements (nyctinastic movements) are controlled by the circadian clock and light signal transduction through phytochrome. wikipedia.org
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Anemonoides quinquefolia
The flower of A. quinquefolia is nyctinastic, that is, the flower closes at night (and on cloudy days) and opens during the day. wikipedia.org
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Dendrosenecio keniensis
As well as the nyctinastic behavior of the leaf rosettes which open during the day and close tightly around the leaf bud and meristem when it becomes cold wikipedia.org
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sleep
▪ I. sleep, n. (sliːp) Forms: α. 1 slæp, 1, 3–4 (6 Sc.) slep (3 sclep), 1, 4– sleep; 1, 3 dat. slæpe 3 dat., 6 sleape, 1–3 dat., 4–6 slepe (5 sclepe, sleppe), 5–7 sleepe; 6 Sc. sleip(e. β. 1, 3 slap, 2, 4 slape, 4 slope. [OE. slǽp (sláp), slép, = OFris. slêp (WFris. sliep, NFris. slîp), MDu. slaep (... Oxford English Dictionary
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Mimosa nuttallii
Like a few other species of Mimosa (such as M. pudica), the leaves exhibit nyctinastic movement, folding up quickly when touched or disturbed. wikipedia.org
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Dendrosenecio
Insulation of the stem by retaining withered and dead foliage Secretion and impoundment of ice-nucleating polysaccharide fluids (a natural anti-freeze) Nyctinastic wikipedia.org
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Wilhelm Pfeffer
His scientific interests included the thermonastic and photonastic movements of flowers, the nyctinastic movements of leaves, protoplastic physics and wikipedia.org
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Mimosa pudica
Like a number of other plant species, it undergoes changes in leaf orientation termed "sleep" or nyctinastic movement. wikipedia.org
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Peanut
Like those of many other legumes, the leaves are nyctinastic; that is, they have "sleep" movements, closing at night. wikipedia.org
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Learning
Circadian rhythms in plants are modulated by endogenous bioactive substances that encourage leaf-opening and leaf-closing and are the basis of nyctinastic wikipedia.org
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