University of Arizona Herbarium
Catalog #: 275890
Occurrence ID (GUID): 4b56b3a9-a5e5-4d25-8bfb-435811be5e7a
Taxon: Oenothera primiveris A. Gray
Family: Onagraceae
Collector: A. C. Sanders   3463   
Date: 06 March 1983
Additional Collectors: M. Dimmitt, G. Montgomery, et al.
Locality: Mexico, Sonora, Sonoran Desert in the drainage of the Rio Magdalena, along Hwy. 2, 20 km west of Santa Ana.
30.566667  -111.316667
Verbatim Coordinates: 30° 34' N 111° 19' W
Elevation: 690 meters
Verbatim Elevation: 2250ft
Habitat: Arizona uplands vegetation on a gently sloping alluvial fan; clay depressions and gravelly slopes.
Associated Species: Cercidium microphyllum, Olneya tesota, Prosopis velutina, Flouquiera splendens, Ambrosia deltoidea, Larrea, and etc.
Description: An uncommon annual; flowers yellow, fading white.
Phenology: Flowering
Specimen Images
Record Id: 4b56b3a9-a5e5-4d25-8bfb-435811be5e7a
Rights Holder: University Of Arizona
For additional information on this specimen, please contact: ARIZ Herbarium (
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