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Collomia grandiflora  Douglas ex Lindl.
Grand collomia,   Large flowered collomia,   Mountain collomia
© 2024 Mike Russler
© 2024 Mike Russler
© 2013 BOB CASE
© 2017 John Game
© 2018 Matt Berger
© 2022 Mike Russler
© 2018 Hector Borjas
© 2024 Mike Russler
© 2019 Diane Etchison
© 2017 Jane Manning
© 2015 Karen Swift
© 2015 Jim Bearden
© 2022 Dana York
© 2022 Mike Russler
© 2022 Mike Russler
© 2019 Diane Etchison
© 2016 Cheryl Ballantyne
© 2020 Bryant Baker
© 2020 Bryant Baker
© 2020 Bob Sweatt
© 2020 Bob Sweatt
© 2013 BOB CASE
© 2022 Julie A. Kierstead
© 2022 Charles Russell
© 2022 Mike Russler
© 2016 David popp
Collomia grandiflora is an annual 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
DJJJASONAFMM

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

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, many plant communities
Name Status:
Accepted by JEF + PLANTS + POWO

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

USDA PLANTS Profile (COGR4)

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: 04/02/2025).