Species Details

Romneya coulteri

Coulter's matilija poppy

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Species Description:

Romneya coulteri, commonly known as Coulter's matilija poppy, is a perennial rhizomatous herb in the Papaveraceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 20 to 1200 meters. Romneya coulteri is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification

Scientific Name: Romneya coulteri Harv.
Common Name: Coulter's matilija poppy
Family:	Papaveraceae
Element Code:	PDPAP0L010
USDA Plants Symbol:	ROCO
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Mar-Jul(Aug)

Elevation:
20 - 1200 meters
65 - 3935 feet

General Habitats:

Chaparral
Coastal scrub

Microhabitat Details:

Microhabitat:

Burned areas (often)

Notes

Notes: Threatened by urbanization, flood control, road widening, and road maintenance.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Alberhill (3311764), Barrett Lake (3211666), Black Star Canyon (3311776), Cajon (3411734), Canada Gobernadora (3311755), Corona South (3311775), Dulzura (3211667), El Cajon (3211678), El Monte (3411811), El Toro (3311766), Jamul Mountains (3211668), Lake Elsinore (3311763), Lake Mathews (3311774), Malibu Beach (3411816), Mt. Wilson (3411821), Otay Mesa (3211658), Otay Mountain (3211657), Pasadena (3411822), Prado Dam (3311786), Riverside East (3311783), San Clemente (3311745), San Juan Capistrano (3311756), Santiago Peak (3311765), Steele Peak (3311773), Wildomar (3311753), Yorba Linda (3311787)

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