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Lathyrus venosus (Veiny pea)
Muller, Thomas L.

Lathyrus venosus

Lathyrus venosus Muhl. ex Willd.

Veiny Pea, Veiny Vetchling, Wild Sweet Pea, Bushy Vetch

Fabaceae (Pea Family)

Synonym(s): Lathyrus oreophilus, Lathyrus venosus ssp. arkansanus, Lathyrus venosus var. arkansanus, Lathyrus venosus var. intonsus, Lathyrus venosus var. meridionalis


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

A vine-like perennial with purple or bi-colored purple and white flowers in elongate clusters. Leaves are pinnately compound and end in a tendril.


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 3 feet tall.

Bloom Information

Bloom Color: Pink , Purple
Bloom Time: Jun , Jul


USA: AK , AL , AR , DC , GA , IA , IL , IN , KY , LA , MD , MI , MN , MO , NC , ND , NJ , NM , NY , OH , OK , PA , SC , SD , TN , TX , VA , WI , WV
Canada: BC , MB , ON , SK
Native Distribution: S. Ont. to Sask., s. to GA mts., TN & LA
Native Habitat: Sandy, open ground; shady banks; oak-hickory woods; ridges; thickets

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Dry , Moist
Soil Description: Various mesic soils.


Warning: Plants in the genus Lathyrus, particularly the seeds, can be toxic to humans and animals if ingested. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil.
Conspicuous Flowers: yes


Description: Propagation is best from seeds.
Seed Treatment: Seeds must be scarified and/or stratified.
Commercially Avail: yes

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.

Additional resources

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


Record Modified: 2013-12-16
Research By: TWC Staff

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