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Thermopsis rhombifolia (Prairie thermopsis)
Hixson, John

Thermopsis rhombifolia

Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson

Prairie Thermopsis, Prairie Goldenbean

Fabaceae (Pea Family)

Synonym(s): Thermopsis arenosa, Thermopsis rhombifolia var. annulocarpa, Thermopsis rhombifolia var. arenosa


USDA Native Status: L48 (N), CAN (N)


From the Image Gallery

11 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 18 inches tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul


USA: CO , MT , ND , NE , NM , OK , SD , UT , WI , WY
Canada: AB , SK
Native Habitat: Savanna

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Sand


Conspicuous Flowers: yes

Find Seed or Plants

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 74 - Southwest Colorado Wildflowers (2020) Rocky Mountain Biological Laboratory
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Thermopsis rhombifolia in USDA Plants
FNA: Find Thermopsis rhombifolia in the Flora of North America (if available)
Google: Search Google for Thermopsis rhombifolia


Record Modified: 2022-12-21
Research By: TWC Staff

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