Calflora
Taxon  Report   10420    
Thermopsis gracilis  Howell
Slender goldenbanner
Thermopsis gracilis
© 2019 Belinda Lo
Photos from
CalPhotos / Calflora
Thermopsis gracilis
© 2019 Belinda Lo
Thermopsis gracilis
© 2019 Belinda Lo
Thermopsis gracilis, a dicot, is a perennial herb (rhizomatous) that is native to California, Oregon.
also called Thermopsis gracilis var. gracilis
California Rare Plant Rank: 4.3 (limited distribution).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations


Bloom Period
Thermopsis gracilis
© 2019 Belinda Lo
Family: FABACEAE  
Genus: Thermopsis
Communities: Foothill Woodland, Yellow Pine Forest, North Coastal Coniferous Forest
Name Status:
Accepted by JEF + CNPS + PLANTS

 Alternate Names:
ICPN: Thermopsis macrophylla var. venosa
ICPN + CNPS: Thermopsis gracilis var. gracilis
More information about  Thermopsis gracilis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (THGR6)

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jan 22, 2019).