Romneya coulteri Calflora

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Taxon Report

Romneya coulteri Harv.

Coulter's matilija poppy

Romneya coulteri is a perennial herb (rhizomatous) that is native to California, and endemic (limited) to California.

California Rare Plant Rank: 4.2 (limited distribution).


	Plant Range Observation Search ~491 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Romneya
Family:	Papaveraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Communities: Coastal Sage Scrub, Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Information about Romneya coulteri from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (ROCO) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 4.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[Wikipedia] Taxonomy: The specific epithet coulteri commemorates Thomas Coulter, an Irish botanist and explorer.[3] (link added by Mary Ann Machi) photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/30/2025).