Oenothera lindheimeri is a perennial herbaceous plant growing to 50 to 150 centimeters (20–60 in) tall, with densely clustered branched stems growing from an underground rhizome. The leaves are finely hairy, lanceolate, 1 to 9 cm (1⁄2–3+1⁄2 in) long and 1 to 13 mm (1⁄16–1⁄2 in) broad, with a coarsely toothed margin.