Oenothera Communis Var. Hookeri
Common evening primrose, scientifically known as Oenothera communis var. hookeri, is a biennial plant native to the central and eastern United States. It is recognized for its striking yellow flowers that bloom in the late afternoon and remain open through the night. This species thrives in disturbed soils and is often found along roadsides, fields, and woodland edges. Its unique blooming pattern makes it a popular choice for gardeners seeking evening bloomers. The plant also has historical uses in traditional medicine and is valued for its ecological benefits.