... south to Texas… Apr 26, 2018 - Foraging Texas is the guide to edible and medicinal plants of Texas. Apr 26, 2018 - Foraging Texas is the guide to edible and medicinal plants of Texas. Their flowers seldom open during the day, according to Hamilton. White wildflowers of west and southwest USA: Oenothera coronopifolia: The Common Evening Primrose has long been a foraging standby and for a century or so was a common vegetable found in European gardens though it’s an American native….probably. Cutleaf evening primrose is an annual or biennial that prefers full sun and dry, sandy soils. Cutleaf Evening Primrose Oenothera laciniata. Cutleaf Evening Primrose Cutleaf Evening Primrose. Life cycle: Biennial or winter annual Found in: Cropland, landscapes, turf and nurseries throughout the southern and eastern U.S. General description: Prostrate or erect plant with deeply toothed lanceolate leaves … This versatile plant is also known as Oenothera sinuate, Raimannia laciniata and Oenothera laciniata. Cutleaf Evening Primrose is commonly a biennial or winter broadleaf weed, but on rare occassions, it can grow as a summer annual broadleaf weed. While the edibility of Oenothera biennis (ee-noh-THEER-uh bye-EN-niss) is not in doubt much about the plant is.