Onagraceae Family:

Onagraceae Juss.


The plant family Onagraceae was named and described by Antoine Laurent de Jussieu in Genera Plantarum in 1789.

As of 3-12-21 when I last updated this page, Plants of the World Online lists 21 accepted genera in this family of flowering plants. It is commonly known as the Willow Herb family or the Evening Primrose family. It includes species of herbs, shrubs, and trees.

The Wikipedia article mentions only 17 genera representing about 650 species. It also names several subspecies which others suggest are synonyms of the family Onagraceae.

That I know of, I don’t have much experience with members of this family. Besides the Ludwigia alternifolia, there are A LOT of Oenothera biennis (Common Evening Primrose) here on the farm growing “in” cracks in the back porch floor of what used to be my grandparents old house. They spread into the flower bed and other areas behind the foundation. Then, in 2020, I brought home an Oenothera macrocarpa (Missouri Evening Primrose) and put it in the bed behind the foundation. I don’t have pages for either of them, but when I get that finished I will put their photos and links on this page. You can click on the name under the photo (above) to go to the Ludwigia alternifolia page.

For more information about this family of plants, please click on the links below. The links take you directly to the information about the family.


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