Year: 2020
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Isotomous
(Of branching) dichotomous, with ± equal shoots.
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Isosyn., isosyntype
(In nomenclature) a duplicate of a syntype.
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Isostemonous
With as many stamens as petals.
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Isopolar
(In pollen) those grains where the two halves are similar.
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Isophyllous
With leaves of one kind.
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Isoneo., isoneotype
Duplicates of the neotype.
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Isomerous
With equal numbers of parts in successive floral whorls (e.g. equal numbers of sepals, petals and stamens).
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Isolation
Prevention of crossing between taxa. A mechanism of defense operating unconsciously central to obsessive-compulsive phenomena in which the affect attached to an idea is rendered unconscious, leaving the conscious idea colorless and emotionally neutral. In epidemiology, a method of controlling the spread of a communicable disease by separating the infected person from those who are…
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Isolateral
With structurally similar upper and lower surfaces.
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Isodiametric
With an equal diameter in all directions (e.g. of venation); Roughly spherical or round.