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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Epilobium oregonense

Epilobium oregonense Hausskn.

Oregon Willowherb, Oregon Willowweed, Slimstem Willowweed

Onagraceae (Evening Primrose family)

Synonym(s): Epilobium alpinum var. gracillimum

USDA Symbol: EPOR2

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

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 16 inches tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jul , Aug
Bloom Notes: White to pink.

Distribution

USA: AZ , CA , CO , ID , MT , NV , OR , UT , WA , WY
Canada: BC
Native Habitat: Shaded streambanks, boggy areas.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL FACW FACW
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 36 - Jepson eFlora (2019) The Jepson Herbarium, University of California, Berkeley
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Epilobium oregonense in USDA Plants
FNA: Find Epilobium oregonense in the Flora of North America (if available)
Google: Search Google for Epilobium oregonense

Metadata

Record Modified: 2020-12-03
Research By: CBR

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