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Pink evening primrose

Pink Evening Primrose (Showy Primrose)
Oenothera speciosa

Evening primroses are often called buttercups. There are evening primroses that are yellow with black centers, and then there is the pink evening primoses. The pink evening or "showy primrose" has broad petals that are may be pink, light pink or almost white, with pink or red veins and yellow centers. They open at dusk in northern parts of the state, but wither the next day. In the rest of the state, the blooms stay open all day.