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Why some stems are red?

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Leehuang

Lvl 1
12y ago
Updated: 8/20/2019

Anthocyanins are the pigments responsible for red colouration in the stems of most herbaceous species, that is, they are the reason that the stms of many plants are red. However, plant stems may also be red because of, or in response to abiotic stressors such as drought, low temperatures, ultraviolet radiation, or high ratios of red:far-red light.

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12y ago

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