Onagraceae (Evening Primrose Family) Synonym(s): Pink Evening Primrose, Showy Evening Primrose, Mexican Evening Primrose, Showy Primrose, Pink Ladies, Buttercups, Pink Buttercups Base Flower Color: PinkReproductive Phenology: Apr, May, Jun, Jul, AugBloom Notes: In the southern parts of its range, blooms tend to be darker pink or rose and open in the morning. Each flower lasts