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Oenothera villosa ssp. strigosa

Oenothera villosa Thunb. ssp. strigosa (Rydb.) W. Dietr. & P.H. Raven

Hairy Evening-primrose, Common Evening-primrose, Common Evening Primrose

Onagraceae (Evening Primrose Family)

Synonym(s): Oenothera biennis var. strigosa, Oenothera cheradophila, Oenothera depressa ssp. strigosa, Oenothera procera, Oenothera rydbergii, Oenothera strigosa, Oenothera strigosa ssp. cheradophila, Oenothera villosa ssp. cheradophila, Oenothera villosa var. strigosa

USDA Symbol: OEVIS

USDA Native Status: L48 (N), CAN (N)

A 3-6 ft. biennial with lance-shaped leaves and a leafy inflorescence. Leaves appear gray due to a coating of hairs. The inflorescence contains yellow, four-petaled flowers occasionally becoming orange with age. The flowers open nightly, a few at a time.

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Plant Characteristics

Duration: Biennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep
Bloom Notes: Yellow, usually fading to orange.

Distribution

USA: AZ , CA , CO , ID , MI , MT , ND , NE , NM , NV , OR , SD , UT , WA , WI , WY
Canada: NB , PE
Native Distribution: MN to B.C., s. to AR, OK & n. CA
Native Habitat: Prairies; hillsides; open woodlands; waste places

Growing Conditions

Light Requirement: Sun
Soil Description: Variable.

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Oenothera villosa ssp. strigosa in USDA Plants
FNA: Find Oenothera villosa ssp. strigosa in the Flora of North America (if available)
Google: Search Google for Oenothera villosa ssp. strigosa

Metadata

Record Modified: 2023-02-21
Research By: TWC Staff

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