Fourpoint Evening Primrose
Fourpoint Evening Primrose, Diamond Petal Primrose
Oenothera rhombipetala Nutt. ex. Torr. & A. Gray
Onagraceae (Evening Primrose Family)
▲ ▼ mature plants
▲ ▼ flowers
▲ ▼ flowers
Fourpoint Evening Primrose: (pp. 378-379, Weeds of the Great Plains; not in Weeds of the Northeast)
- more common on sandy soils
- has more branches from base, and more flowers usually are blooming at one time (showy) than common or biennial evening primrose
- flower petals are diamond-shaped, and have a rounded point at the tip, compared to the blunt or notched petal tips of common evening primrose
- stem leaves are narrower and much shorter and more dense on fourpoint evening primrose