Kingdom:
Phylum:
Angiosperms
Order:
Fabales
Family:
Species:
rhombifolia
ID:
195602

Status:
valid

Authors:
(Pursh) Richardson

Source:
ildis

Year:
1823

Citation Micro:
J.Franklin, Narr. Journey Polar Sea: 737 (1823)

WFO Identifier:
wfo-0000194931

Common Names

  • Thermopsis Rhombifolia
  • Diamond-Leaf Thermopsis
  • Diamond-Leaved Pea

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Synonyms

  • Scolobus rhombifolius (Pursh) Raf. [unknown]
  • Cytisus rhombifolius Pursh [valid]
  • Thermia rhombifolia (Pursh) Nutt. [valid]
  • Drepilia rhombifolia (Pursh) Raf. [valid]

Description

Thermopsis rhombifolia (also called 'Diamond-leaved Thermopsis', among many other common names) is a perennial herbaceous plant native to the western United States. It has a woody rootstock and grows up to 1 m tall. It is found in dry grasslands, rocky slopes, and scrubland.

Uses & Benefits

Thermopsis rhombifolia is used as an ornamental plant in gardens and as a source of yellow dye.

Cultivars, Varieties & Sub-species

Thermopsis rhombifolia var. rhombifolia
Thermopsis rhombifolia var. divaricarpa (A.Nelson) Isely

Flower, Seeds and Seedlings

Thermopsis rhombifolia has small, yellow flowers with a white center. The seeds are small, brown and oval-shaped. The seedlings are small and have a single stem with two small leaves.

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Cultivation and Propagation

Thermopsis rhombifolia can be propagated by seed or cuttings. For seed propagation, sow the seeds in a well-draining soil mix and keep the soil moist. For cuttings, take stem cuttings of about 5-7 cm in length and root them in a moist soil mix. Keep the soil moist and provide adequate light for the cuttings to root.

Where to Find Thermopsis rhombifolia

Thermopsis rhombifolia is native to North America, and can be found in parts of Canada and the United States.

Thermopsis rhombifolia FAQ

What is the natural habitat of Thermopsis rhombifolia?

Thermopsis rhombifolia is native to Iran.

What is the flowering period of Thermopsis rhombifolia?

Thermopsis rhombifolia typically flowers in the spring.

What is the average height of Thermopsis rhombifolia?

Thermopsis rhombifolia typically grows to a height of 10-20 cm.

Species in the Fabaceae family

References

Frederick Traugott Pursh (1774-1820): Based on occurrence of standard abbreviation 'Pursh' in the authors string.
John Richardson (1787-1865): Based on occurrence of standard abbreviation 'Richardson' in the authors string.