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virescence

[ vahy-res-uhns, vi- ]

noun

, Botany.
  1. state of becoming somewhat, though usually not totally, green, due to the abnormal presence of chlorophyll.


virescence

/ vɪˈrɛsəns /

noun

  1. (in plants) the process of becoming green, esp by the action of disease, etc, in parts not normally green
  2. the condition of being or the process of becoming green
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of virescence1

First recorded in 1885–90; viresc(ent) + -ence
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Word History and Origins

Origin of virescence1

C19: see virescent
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Example Sentences

Virescence, the state or condition of becoming green, is one of many words in this novel that sent me to the dictionary.

Or this manifesto of aesthetic self-identification: “I’m a son of the north: my hues are the hammered gold of autumn, the silver-grey of the undersides of leaves in rainy springtime, the khaki shine of chilly summer beaches and the winter sea’s rough purples, its acid virescence.”

In Ranunculaceæ virescence has been observed in Delphinium elatum, crassicaule and Ajacis, Anemone hortensis and nemorosa, Aquilegia vulgaris, Ranunculus Philonotis.

It must be distinguished from virescence, or the mere green colour of the floral organs, and from chloranthy, in which all or the greater portion of the parts of the flower are replaced by leaves.

Frondescence of the petals has been observed most frequently in the following cases; some, perhaps, were cases merely of virescence, q. v.; see also under Chloranthy, Prolification.

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