This is not Viola palmata, this is not a Viola species at all, this is Commelina communis.
Imagine finding a flower that blooms for a day. Thank you for the clarification.
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Pedagogy of the Plants 
This is not Viola palmata, this is not a Viola species at all, this is Commelina communis.
Imagine finding a flower that blooms for a day. Thank you for the clarification.