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Calochortus argillosus  (Hoover) Zebell & P. L. Fiedl.
Clay mariposa lily
© 2023 Linda Brodman
© 2022 Suzanne L. Weakley
© 2022 Suzanne L. Weakley
© 2016 Cindy Roessler
© 2022 Suzanne L. Weakley
© 2020 R.A. Chasey
© 2020 David Wolfson
© 2018 Gary McDonald
© 2018 Gary McDonald
© 2022 Irene Rosen
© 2024 Mike Russler
© 2024 Mike Russler
© 2024 Mike Russler
© 2024 Mike Russler
© 2023 R.A. Chasey
© 2016 Cindy Roessler
© 2020 R.A. Chasey
© 2011 Chris Winchell
© 2017 Michelle Bosch
© 2023 R.A. Chasey
© 2023 R.A. Chasey
© 2023 R.A. Chasey
© 2022 Irene Rosen
© 2022 Irene Rosen
© 2016 Vivian Krug Cotton
© 2021 Meghan Lindt
© 2021 Bryant Baker
© 2022 Mojgan Mahdizadeh
© 2022 John Rawlings
© 2023 Matt Berger
© 2023 Justin Adona
© 2023 Suzanne L. Weakley
© 2023 Dorothy Denning
© 2023 Dorothy Denning
© 2023 David Wolfson
© 2018 Gary McDonald
© 2024 Meghan Lindt
© 2016 Daniel Neal
© 2015 Joel A. Germond, Psy.D.
© 2002 David B Hildebrand
Calochortus argillosus is a perennial herb (bulb) that is native to California.
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
Genus: Calochortus
Family: Liliaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Communities: Yellow Pine Forest, Foothill Woodland, Valley Grassland
Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:
OTHERMariposa argillosa
Information about  Calochortus argillosus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (CAAR44)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Description: The inflorescence bears 1 to 4 erect bell-shaped flowers. Each flower has three sepals and three petals up to 4 centimeters long. The petals are rounded in shape and white to pink in base color with a central spot or streaking of red, purple, and yellow. The fruit is a narrow capsule up to 6 centimeters long. (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: 04/01/2025).