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Taxon  Report  
Leptosiphon ambiguus  (Rattan) J. M. Porter & L. A. Johnson
Serpentine leptosiphon
Leptosiphon ambiguus is an annual herb that is native to California, and endemic (limited) to California.
also called Linanthus ambiguus
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(894 records)
one or more occurrences
within a 7.5-minute quadrangle

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

Ultramafic affinity: 5.8 - strict endemic

Communities: Northern Coastal Scrub, Foothill Woodland, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
JEF + CNPS + PLANTSLinanthus ambiguus
Information about  Leptosiphon ambiguus from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (LEAM13)

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/09/2022).