Threadleaf Evening-Primrose (Oenothera linifolia) Posted byGeorgeJune 1, 2021May 21, 2021Posted inBart Jones, Native, Onagraceae (Evening Primrose Family), Photographic Location: Chickasaw State Park in West Tennessee, Bart Jones. Photographic Location: Chickasaw State Park in West Tennessee, Bart Jones. Onagraceae (Evening Primrose Family) Bloom Color: YellowBloom Time: May , Jun , Jul For more information about this plant, Click Here. Rate this:Share this:TwitterFacebookLike this:Like Loading...