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Lathyrus nevadensis

Lathyrus nevadensis S. Watson

Sierra Pea, Sierran Vetching, Sierra Sweet Pea

Fabaceae (Pea Family)


USDA Symbol: lane3

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

The long erect stems of this sweet pea do not end in tendrils, so the perennial tends to form clumps up to 1 1/2 ft. high. The leaves are pinnately compound. Showy, pea-like flowers are borne in small clusters and are various shades of blue or purple with delicate veining. The flowers are followed by pea-like pods.


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Plant Characteristics

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

Bloom Information

Bloom Color: Blue , Purple
Bloom Time: Mar , Apr , May , Jun


USA: CA , ID , OR , WA
Native Distribution: N. Coast Ranges & w. base of Sierras from Fresno to Butte Cos., n. to B.C. & e. to ID
Native Habitat: Dry, conifer slopes

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry, well-drained soils.


Description: Propagate with treated seeds.
Seed Treatment: Seeds must be scarified and/or stratified.
Commercially Avail: yes

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2023-07-13
Research By: TWC Staff

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