Oenothera albicaulis is a New World plant in the evening primrose family. It is known by the common names prairie evening-primrose, white-stem evening-primrose, whitish evening primrose, or whitest evening primrose.
Oenothera albicaulis was scientifically described and named by Frederick Traugott Pursh in 1813. It is classified in the genus Oenothera, part of the family Onagraceae. It has no accepted subspecies or varieties, but has synonyms according to Plants of the World Online.
Oenothera albicaulis is native to North America, in the United States (Arizona; Colorado; Montana; New Mexico; Oklahoma; South Dakota; Texas; and Utah), and in Mexico (in Chihuahua state).
The Zuni people rub the chewed blossoms on the bodies of young girls so that they can dance well and ensure rain.