Oenothera elata ssp. hirsutissima (Hooker's Evening Primrose)

7/10/07 Visitor Center at Mono Basin National Forest Scenic Area, Lee Vining, 

Eastern Sierra, Mono County, CA

7/8/16 Pastures off Twin Lakes Road, Bridgeport, 
Eastern Sierras, Mono County, CA

7/5/16 Near Rush Creek below Grant Lake Overlook, 
June Lake Loop (SR 158), Eastern Sierra, Mono County, CA 

7/5/16 Near Rush Creek below Grant Lake Overlook, 
June Lake Loop (SR 158), Eastern Sierra, Mono County, CA

7/24/11 Cross drainage at Waterline Road, Santa Rosa Plateau
Ecological Reserve, SW Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Hooker's Evening Primrose

SPECIES: Oenothera elata ssp. hirsutissima

FAMILY: Onagraceae (Evening Primrose Family)

LIFE LIST DATE: 7/6/2007 

LOCATION: Near parking lot at visitor center of Mono Basin National Forest Scenic Area, Lee Vining, Eastern Sierra, Mono County, CA

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Treatment from The Jepson Manual (1993):

Stem 10–25 dm

Flower: sepals green or red-flushed, hairs glandular or not, also spreading and sometimes with red, blister-like bases, free tips in bud 3–6 mm; anthers 8–15 mm

Ecology: Moist places, generally inland

Elevation: < 2800 m.  

Bioregional distribution: California 

Distribution outside California: w US, nw Mexico

Synonyms: O. hookeri Torr. & A. Gray subspp. angustifolia (Gates) Munz, grisea (Bartlett) Munz, and venusta (Bartlett) Munz 
Several intergrading forms