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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 densiflorum

Epilobium densiflorum (Lindl.) Hoch & P.H. Raven

Dense Boisduvalia, Dense Flowered Spike Primrose, Dense-flower Spike-primrose, Denseflower Willowherb, Denseflower Willowweed

Onagraceae (Evening Primrose family)

Synonym(s): Boisduvalia densiflora, Boisduvalia densiflora var. pallescens, Boisduvalia densiflora var. salicina, Boisduvalia salicina, Oenothera densiflora

USDA Symbol: EPDE4

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

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 5 feet tall.

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: May , Jun , Jul , Aug , Sep , Oct

Distribution

USA: AZ , CA , ID , MT , NV , OR , UT , WA
Canada: BC
Native Habitat: Streambanks, outwashes, seasonal moist flats.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: 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 densiflorum in USDA Plants
FNA: Find Epilobium densiflorum in the Flora of North America (if available)
Google: Search Google for Epilobium densiflorum

Metadata

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

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