Taxon Details

Drymocallis cuneifolia var. ewanii

Ewan's woodbeauty

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Drymocallis cuneifolia var. ewanii, commonly known as Ewan's woodbeauty, is a perennial herb in the Rosaceae that is found only in California. It occurs within Lower montane coniferous forest (near seeps, springs), and Meadows and seeps, growing at elevations from 1900 to 2400 meters. Drymocallis cuneifolia var. ewanii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Drymocallis cuneifolia Rydb. var. ewanii (D.D. Keck) Ertter
Common Name: Ewan's woodbeauty
Family:	Rosaceae
Element Code:	PDROS1B0S3
USDA Plants Symbol:
Synonyms/Other Names: Potentilla glandulosa Lindl. ssp. ewanii Keck
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G2T2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; SB_USDA; USFS_S
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Jul

Elevation:
1900 - 2400 meters
6235 - 7875 feet

General Habitats:

Lower montane coniferous forest (near seeps, springs)
Meadows and seeps

Microhabitat Details:

Microhabitat:

Notes

Notes: Known only from the Dawson Saddle area of the San Gabriel Mtns. Threatened by foot traffic, horticultural collecting, recreational activities. Possibly threatened by hydrological alterations and water diversion. See Carnegie Institution of Washington Publication 520:47 (1940) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	2	40 %
Road/trail construction/maint.	2	40%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					5
A	B	C	D	X	U
1	2	0	0	0	2

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	4

Presence:
Presumed Extant	5
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
Crystal Lake (3411737)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory