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Thermopsis gracilis  Howell
Slender goldenbanner
© 2020 Susan McDougall
© 2024 Mary Ann Machi
© 2024 Mary Ann Machi
© 2024 Mary Ann Machi
© 2020 Susan McDougall
© 2018 Jonathan Lee
© 2024 Mary Ann Machi
© 2024 Mary Ann Machi
© 2024 Mary Ann Machi
© 2019 Belinda Lo
Thermopsis gracilis is a perennial herb (rhizomatous) that is native to California, and also found in Oregon.
also called Thermopsis gracilis var. gracilis
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: Thermopsis
Family: Fabaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: North Coastal Coniferous Forest, Yellow Pine Forest, Foothill Woodland
Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
JEFThermopsis macrophylla var. venosa
Information about  Thermopsis gracilis from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (THGR6)

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: 03/28/2025).