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Project Noah Nature School
Viola striata
These are the cleistogamous(closed-marriage) flowers of this species, they are produced later in the season when the days get longer. Most plants with this type of flower also produce chasmogamous(open-marriage) flowers. The closed flowers help to ensure reproduction, under less than favorable conditions, with less expenditure on the plants part, but at the cost of opportunity for genetic evolution.
Spotted on May 25, 2013
Submitted on Aug 19, 2013
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