oenothera macrocarpa, the bigfruit evening primrose, nature

background beautiful beauty biennis bigfruit bloom blooming blossom botany bouquet bright closeup color common evening flora floral flower garden green herb isolated leaf macro macrocarpa many medicine missouri myrtales myrtlelike natural nature neophyte oenothera onagraceae outdoor ozark perennial petal plant primrose primula stamens stricta summer suncups sundrop sunlight yellow