Pink wood sorrel (Oxalis articulata) flowers open during cloudy day in Asuncion, Paraguay. Pink wood sorrel both flowers and leaves have the ability to respond with movements (known as nyctinastic movements) - unfolding or opening - to the conditions of light and darkness or temperature.

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Size: 5760px × 3840px
Location: Asuncion, Paraguay
Photo credit: © Andre M. Chang / Alamy / Afripics
License: Licensed
Model Released: No

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