Leptosiphon rosaceus Calflora

Calflora, a 501c3 non-profit

Taxon Report

Leptosiphon rosaceus (Hook. f.) Battaglia

Rose leptosiphon

Leptosiphon rosaceus is an annual herb that is native to California.

also called Linanthus rosaceus

California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~34 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Leptosiphon
Family:	Polemoniaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

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

Alternate Names:


JEF + PLANTS	Linanthus parviflorus var. rosaceus
JEF + CNPS	Linanthus rosaceus

Information about Leptosiphon rosaceus from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (LERO7) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.1 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[explorer.natureserve.org] Taxonomic Comments: Munz (1959) included Linanthus rosaceus in L. androsaceus ssp. croceus, which Kartesz (1999) includes in L. parviflorus (Kartesz (1999) does not place the name L. rosaceus). The morphometric analysis of Battaglia and Patterson (2001) supports acceptance at the species level; they place it in the genus Leptosiphon. (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. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/13/2025).