Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Oenothera albicaulis Pursh
(White Stem Evening Primrose)


Family: Onagraceae

Status: Native

Synonyms:
Anogra albicaulis (Pursh) Britton
Anogra ctenophylla Wooton & Standley
Oenothera ctenophylla (Wooton & Standley) Tidestrom

Oenothera albicaulis is an annual that grows at lower elevations in the Gila National Forest. The petals are white when fresh and the stamens are of equal length. The herbage is pubescent. Basal leaves can be either entire and oblanceolate or pinnatifid even on the same plant. With enough rain in the spring, Oenothera albicaulis can form a groundcover in wide flat canyons.
Please click on an image for a larger file.



Oenothera albicaulis, photo Russ Kleinman, Burro Mtns., Engineer Canyon, Apr. 2, 2009



Oenothera albicaulis, flower, photo Russ Kleinman, Burro Mtns., Engineer Canyon, Apr. 2, 2009



Oenothera albicaulis, pinnatifid & pubescent leaf, photo Russ Kleinman, Burro Mtns., Engineer Canyon, Apr. 2, 2009



Oenothera albicaulis, forming groundcover, photo Russ Kleinman, Little Burro Mtns., Fleming Canyon, Apr. 23, 2010



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