heliotropism

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he·li·o·tax·is

(hē'lē-ō-tak'sis),
A form of phototaxis, and perhaps of thermotaxis, in which there is a tendency to growth or movement toward (positive heliotaxis) or away from (negative heliotaxis) the sun or the sunlight.
Synonym(s): heliotropism
[helio- + G. taxis, orderly arrangement]

heliotropism

(hē′lē-ŏt′rə-pĭz′əm)
n.
Growth or orientation of a sessile organism, especially a plant, toward or away from the light of the sun.

he′li·o·tro′pic (-ə-trō′pĭk) adj.

heliotropism

(hē″lē-ŏt′rō-pĭzm) [″ + trepein, to turn, + -ismos, condition]
The tendency of living organisms to turn or grow toward the sun.

heliotropism

a type of PHOTOTROPISM in which the flowers of a plant turn towards the sun during the day.
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References in periodicals archive ?
Byatt and the Heliotropic Imagination, 138; and Flint, "Plotting the Victorians," 299.
Nevertheless, ethnographic research in Mexico has revealed many inconsistencies in the humoral theory, which Chevalier and Sanchez Bain seek to explain through "cycles of heliotropic equilibrium" (22).
The unnuanced specificity of tying himself to Alexander Hamilton in order to refute Jefferson's infatuation with the French Revolution was more than compensated by his uncritical acceptance of the grand heliotropic myth of history's inexorable westward journey.
The sunflower seeds abundantly, but its heliotropic nature--and not its fecundity--dominates its orthodox emblematic meaning.
But the angel of the house stalks her like a shadow self: Not simply her heliotropic behavior toward power but her instinct to please that power account for her ideological bent.
61) As those overseers who receive this heliotropic text, we, too, might ask about our commitment to "moralize his wanton sight" (104), especially if we know that not all parts can be reconciled in the whole, and that the remainder falls as sacrifice to the coming day, as "An expired date cancelled ere well begun" (26).
Although Campbell says that "Byatt's heliotropic imagination has required a genderless sun" (16), she actually goes on to show in her chapter on Possession how Christabel LaMotte's mythological narratives Melusine and The Threshold make the creative, life-giving sun female.
estimation from LAI) can give erroneous results especially for those crops (like sunflower) in which the big leaves, the heliotropic movements, and plant spatial distribution strongly affect the dynamics of the light environment.
At a glance, Stringfellow didn't look very menacing: nothing more than a glade rioting in yellow blossoms, fat dandelions that look more like midsize sunflowers--yellow, erect, heliotropic, healthy.
Two important types of phototropic responses may be distinguished: (1) reversible heliotropic movements (i.
But this seamlessly heliotropic and seemingly universal poetry in motion is soon to be disrupted by the geographic and political seam of a border and particularly by animal traffic, material or imagined.