Great Plains Herbaria - Oenothera primiveris subsp. primiveris

Oenothera primiveris subsp. primiveris A. Gray
Family: Onagraceae desert evening-primrose [Oenothera primiveris subsp. caulescens (Munz) Munz, more] Russ Kleinman	Plants of Gila Wild Resources Western New Mexico University Department of Natural Sciences and the Dale A. Zimmerman Herbarium Oenothera primiveris is a lower elevation caespitose annual. The leaves are vilous and oblanceolate. The petals are yellow. Oenothera primiveris is found in dry hills and at lower elevation. It blooms very early in the season.
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