Ghislaine Howard | June 27, 2020 | Herbs in the Landscape. Oenothera biennis, commonly known as evening primrose, is an upright biennial that is native throughout Canada and the U.S. except for Idaho, Wyoming, Utah, Colorado and Arizona. Evening primrose (Oenothera biennis) is a herb that's native to Europe and North America. Evening primrose oil is the oil from the seed of the evening primrose plant. Written by Nicky Westwood – Herb Society Trustee. Introduced in most of the Euromediterranean region, Siberia, Central Asia, Indochina, China, Japan, Korea, Ethiopia, South Africa, South America (southern). General information about Oenothera biennis (OEOBI) USA (eastern) Mexico. Hazard classification & labelling Hazard classification and labelling. Evening Primrose, Oenothera biennis, and How To Use It. Use of evening primrose for this purpose must be timed carefully, with pregnant women advised to refrain from taking it before their pregnancies have reached 34 weeks. Several North American tribes, including Ojibwas, Cherokee, Iroquois, and Potawatomi are known to have used evening primrose for both its nutritive and medicinal properties. It is primarily found in eastern and central North America with only scattered locations in much of the West. Extensive Information on Medicinal Uses of Evening Primrose based on clinical studies information. Evening primrose oil, which is made from oenothera biennis, can help to relieve menstrual cramps. Evening Primrose Oil (EPO) contains a high concentration of a fatty acid called gamma-linolenic acid (GLA) and it is this fatty acid that is largely responsible for the healing effects of the plant. Cultivated as an ornamental. Oenothera biennis The seeds of Oenothera biennis (evening primrose, fever plant, king’s cure-all, night willow herb, scabish, sundrop, tree primrose) yield evening primrose oil, which contains gamma-linolenic acid and has been used in various disorders, such as atopic eczema, premenstrual syndrome, and benign breast pain, but is probably not efficacious [ 1–3 ]. Evening Primrose is well known for its medicinal properties, and most women will associate it with … Effects of Oenothera biennis L. and Hypericum perforatum L. extracts on some central nervous system myelin proteins, brain histopathology and oxidative stress in mice with experimental autoimmune encephalomyelitis. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. Oenothera biennis, while used frequently in women’s health today, has a history of traditional use that was not specific to women. e Article Protective E ects of Oenothera biennis against Hydrogen Peroxide-Induced Oxidative Stress and Cell Death in Skin Keratinocytes Seung Young Lee 1, Chul Hwan Kim 1, Buyng Su Hwang 1, Kyung-Min Choi 1, In-Jun Yang 2, Gi-Young Kim 3, Yung Hyun Choi 4, Cheol Park 5,* and Jin-Woo Jeong 1,* 1 Nakdonggang National Institute of Biological Resources, 137, Donam 2-gil, Sangju-si, Pregnant women should not use oenothera biennis.