Flowers


He explains that the flowers in the secret city change color from blue to yellow if they are exposed to plutonium.
Are the flowers real or fictional? Does anyone know the name for them?
Thanks.

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There is a species of flower that changes color in the presence of nuclear radiation. The stamen of Spiderwort will change from blue to pink. The entire flower petal does not change like shown in the movie, but that's probably a bit of artistic license.

On the commentary track of the DVD the director refers to the flowers shown in the movie as Periwinkle, but I can't find anything about Periwinkles changing color like that.

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Thanks for the wonderful bit of information,
I was wondering about the same thing too.

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I'm not sure how true that is, but It's a pretty beautiful metaphor

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David Traversa. We too change color when exposed to plutonium.

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Tradescantia genus

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