Oenothera stricta subsp. stricta

Family: Onagraceae · Type: annual · Not Native

Eveningprimrose is a naturalized annual found in southern California coastal regions in moist, disturbed places at elevations generally below 500 meters. Flowering from April to September, this plant produces yellow flowers fading to red-orange with distinctive red spots at the base, each petal 15 to 25 millimeters long. Growing with erect stems 25 to 100 centimeters tall and covered in fine spreading hairs, some of which are glandular. Its cauline leaves are very narrow, lance-elliptic, 6 to 10 centimeters long with slightly wavy edges and serrated margins. The elongated cylindrical fruit measures 30 to 40 millimeters long, slightly wider toward the tip.

Habitat: Uncommon. Generally moist, disturbed places

Bloom period: Apr-Sep

Elevation: generally < 500 m

Bioregions: SCo

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.