Taxon Details

Epilobium luteum

yellow willowherb

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Taxon Summary:

Epilobium luteum, commonly known as yellow willowherb, is a perennial stoloniferous herb in the Onagraceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest (seeps, Streambanks), and Meadows and seeps, growing at elevations from 1500 to 2195 meters. Epilobium luteum is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Epilobium luteum Pursh
Common Name: yellow willowherb
Family:	Onagraceae
Element Code:	PDONA060H0
USDA Plants Symbol:	EPLU
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial stoloniferous herb

Blooming Period: Jul-Sep

Elevation:
1500 - 2195 meters
4920 - 7200 feet

General Habitats:

Lower montane coniferous forest (seeps, Streambanks)
Meadows and seeps

Microhabitat Details:

Microhabitat:

Notes

Notes: On review list in OR. See Systematic Botany 18(2):218-228 (1993) for information on hybridization.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	1	33 %
Grazing	1	33%
Logging	1	33%
Other	1	33%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					3
A	B	C	D	X	U
2	0	0	0	0	1

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	1

Presence:
Presumed Extant	3
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Plumas (PLU), Siskiyou (SIS)

Quads: Name (Quad Code)
Blue Nose Mtn. (3912077), China Mtn. (4112245), Polar Bear Mtn. (4112385)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory