Category: C
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Clonotype
An unofficial term indicating material that is vegetatively propagated from the plant from which the type was made.
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Clockwise
(Of growing or overlapping) when seen from above, following the hands of a clock.
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Cline
Environmental or geographical gradient; or the series of characters changing along such a gradient.
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Clinanthium
In Compositae/Asteraceae, the receptacle of the flowering head or capitulum [obscure term].
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Clinandrium
(In an orchid flower) the anther bed; that portion of the column under, or surrounding, the anther.
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Clinally
Of characters that vary along an environmental or geographical gradient.
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Clinal variation
A series of morphological forms that gradually change over an environmental gradient.
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Climber
A plant that grows upwards by attaching itself to other structures which it uses as supports; by contrast, a scrambler does not attach itself to its supports. A plant with stems too long and flexible to be self supporting and which raises itself to the light by climbing into and over other plants. It may…
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Climax
Most developed vegetation type possible in a particular site; usually in equilibrium with environment, end of a succession series, stable vegetation. Of a disease, its turning point. An orgasm. The point where a disease is at its worst. The period of greatest intensity.
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Cleistogamous
With self-fertilisation occurring within the unopened flower (as in Viola); this type of flowers are usually smaller than chasmogamous flowers. Of flowers, not opening, being self-pollinated during the bud stage.