evening primrose

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evening primrose Oenothera biennis, the oil from the seeds is a rich source of γ‐linolenic acid, which may account for 8% of total fatty acids. It is used as a dietary supplement and may have beneficial effects in a number of conditions.

evening primrose

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evening primrose Any of various plants of the genus Oenothera, many of which are native to w North America. They have yellow, pink or white flowers that open in the evening. Height: 1.8m (5.3ft). Family Onagraceae.

evening primrose

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evening primrose See OENOTHERA.