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Hydrangea

Hydrangea

Description:

In most species the flowers are white, but in some species (notably H. macrophylla), can be blue, red, pink, light purple, or dark purple. In these species the color is affected by the pH of the soil; acidic soils produce blue flowers, neutral soils produce very pale cream petals, and alkaline soils results in pink or purple. This is caused by a color change of the flower pigments in the presence of aluminium ions which can be taken up into hyperaccumulating plants.



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Goodfield, Illinois, USA

Lat: 40.63, Long: -89.27

Spotted on Jul 4, 2011
Submitted on Jul 15, 2011

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