Native Range It has a cultivated or hybrid origin in Europe. Plant Description A biennial forb/herb in the Onagraceae family. Evening primroses have showy four-petaled flowers. History as an Ornamental This is an ornamental species. External Resources GBIF Link GBIF Species Page USDA Plants Database USDA Plants Database page Tropicos Link Tropicos Species Page Additional Web Resources U.S. National Plant Germplasm System These links will open new browser tabs.