Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Prairie thermopsis

Thermopsis rhombifolia

Also called Golden Bean, Circle Pod Pea, Prairie Bean, Prairie Buck Bean, Prairie Golden Bean, Prairie Golden Banner, Yellow Buffalo Bean

Prairie thermopsis
Photo: Mason Brock (Masebrock), Public domain

Prairie thermopsis is a perennial legume native to the Great Plains and lower Rocky Mountain canyons, grown for its yellow spring flowers. It thrives in full sun, well-drained soil and dry conditions once established.

Family
Fabaceae (Pea & bean family)
Grows as
Perennial
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry between waterings; it tolerates drought once established.
Soil
Well-drained, sandy or loamy soil; tolerates poor and alkaline soils.
Temperature
Hardy in cold winters; comfortable in typical temperate ranges, protect young plants from prolonged waterlogging.
How easy
Easy
Safety
Toxic: Seeds and other parts contain toxic alkaloids (cytisine-type quinolizidine alkaloids) that can cause nausea, vomiting and more serious effects if eaten in quantity.
Native range
Canada to WC. & C. U.S.A.
Climate
temperate

About

Thermopsis rhombifolia, also known as prairie thermopsis, is a species of flowering plant in the legume family. It is native to North America, where it is found in the Great Plains, with extensions into the lower canyons of the Rocky Mountains. Its natural habitat is dry grasslands and woodlands.

It is a perennial herb that produces yellow flowers in the spring.

Other Thermopsis plants

Mountain goldenbanner · Goldenbanner

Text excerpted from the Wikipedia article Thermopsis rhombifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…