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Lewisia cotyledon  (S. Watson) B. L. Rob.
Cliff lewisia,   Siskiyou lewisia
© 2021 Steve Matson
© 2021 Steve Matson
© 2022 Alaine Arslan
© 2021 Dee Shea Himes
© 2022 Alaine Arslan
© 2023 Alaine Arslan
© 2021 Dee Shea Himes
© 2016 Steve Matson
© 2021 Dee Shea Himes
© 2019 Matt Berger
© 2024 Jane Cohn
© 2024 Jane Cohn
© 2023 Alaine Arslan
© 2021 Dana York
© 2021 Steve Matson
© 2023 Alaine Arslan
Lewisia cotyledon is a perennial herb that is native to California, and also found elsewhere in western North America.
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
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Bloom Period
Subspecies and Varieties:
Genus: Lewisia
Family: Montiaceae  
(Portulacaceae)
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Northern Oak Woodland
Name Status:
Accepted by JEF + PLANTS + POWO

Information about  Lewisia cotyledon from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (LECO5)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Range: Lewisia cotyledon is a species of flowering plant in the family Montiaceae known by the common names Siskiyou lewisia and cliff maids. It is native to southern Oregon and northern California, where it grows in rocky subalpine mountain habitat. (link added by Mary Ann Machi)


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).