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Leptosiphon ambiguus  (Rattan) J. M. Porter & L. A. Johnson
Serpentine leptosiphon
© 2024 Steve Matson
© 2024 Steve Matson
© 2024 Steve Matson
© 2024 Steve Matson
© 2024 Steve Matson
© 2024 Ryan O'Dell
© 2024 R.A. Chasey
© 2023 R.A. Chasey
© 2023 R.A. Chasey
© 2019 Paul Aigner
© 2022 Mike Russler
© 2022 Mike Russler
© 2019 Paul Hankamp
© 2018 Elinor Gates
© 2019 Paul Aigner
© 2020 Joerg Lohse
© 2022 Mike Russler
© 2022 Mike Russler
© 2022 Mike Russler
© 2024 Steve Matson
© 2019 David Greenberger
© 2024 Helen Hancock
© 2020 Joerg Lohse
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).
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
~1346 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

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 + POWO
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)

Photos on Calflora

Photos on CalPhotos

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. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/01/2025).