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During the first year of growth, the roots can be cooked and eaten. This is by far the most common evening primrose (Oenothera) in Illinois. Although it favors disturbed weedy areas, this species is sometimes found in prairies and other natural areas. Common Evening Primrose can be distinguished from other Oenothera spp. on the basis of its tallness (often exceeding 3' in length), the shape of its seed capsules (rounded edges, rather than sharply angular), the shape of its leaves, and the size of its flowers. There is significant variation in the hairiness of individual plants. For more information about these distinctions, see Mohlenbrock (2002). Return

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© John Hilty

Source: Illinois Wildflowers

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