Oenothera filiformis, the longflower beeblossom, is a species of flowering plant in the family Onagraceae.

[2] It is native to the central United States.

[1] An annual, biennial, or perennial, it can reach 12 ft (3.7 m) tall.

[2] It has simple leaves that are alternate in arrangement.

[3] Flowers have four petals that are white or pink to red in color.