Aestivation sentence example

aestivation
  • This aestivation is imbricate.
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  • Those forms of aestivation are such as occur in cyclic flowers, and they are included under circular aestivation.
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  • The circular aestivation is generally associated with a regular calyx and corolla, while the spiral aestivations are connected with irregular as well as with regular forms.
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  • The manner in which the parts are arranged in the flower-bud with respect to each other before opening is the aestivation or praefloration.
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  • - Diagram to illustrate reduplicative or reduplicate aestivation, in which the parts of the whorl are slightly turned outwards at the edges.
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  • - Diagram to illustrate contorted or twisted aestivation, in which the parts of the whorl are overlapped by each other in turn, and are twisted on their axis.
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  • - Diagram to illustrate the quincuncial aestivation, in which the parts of the flower are arranged in a spiral cycle, so that I and 2 are wholly external, 4 and 5 are internal, and 3 is partly external and partly overlapped by 1.
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  • - Diagram to illustrate imbricated aestivation, in which the parts are arranged in a spiral cycle, following the order indicated by the figures I, 2, 3, 4, 5.
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  • carina may perform a similar office, and then the aestivation is carinal, as in the Judas-tree (Cercis Siliquastrum).
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  • - Diagram to illustrate induplicative or induplicate aestivation, in which the parts of the verticil are slightly turned inwards at the edges.
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  • This variety of imbricate aestivation has been termed cochlear.
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  • - Diagram of a papilionaceous flower, showing vexillary aestivation.
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  • The parts of the several verticils often differ in their mode of aestivation.
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  • AESTIVATION (from Lat.
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  • When the parts of a whorl are placed in an exact circle, and are applied to each other by their edges only, without overlapping or being folded, thus resembling the valves of a seed-vessel, the aestivation is valvate (fig.
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  • - Diagram to illustrate valvular or valvate aestivation, in which the parts are placed in a circle, without overlapping or folding.
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  • The edges of each of the parts may be turned either inwards or outwards; in the former case the aestivation is induplicate (fig.
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  • When the parts of a single whorl are placed in a circle, each of them exhibiting a torsion of its axis, so that by one of its sides it overlaps its neighbour, whilst its side is overlapped in like manner by that standing next to it, the aestivation is twisted or contorted (fig.
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  • When the parts of a whorl are five, as occurs in many dicotyledons, and the imbrication is such that there are two parts external, two internal, and a fifth which partially covers one of the internal parts by its margin, and is in its turn partially covered by one of the external parts, the aestivation is quincuncial (fig.
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  • giving rise to vexillary The order of the cycle is indicated aestivation (fig.
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