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Lathyrus polyphyllus
Also called Oregon Pea
Lathyrus polyphyllus is a species of wild pea known by the common name leafy pea. It is native to the western United States from Washington to northern California, where it grows in forest and other habitat. This is a perennial herb with long leaves each made up of many pairs of oval-shaped leaflets a few centimeters long. The leaf also has tendrils which may be long, branched and coiled, or just a short bristle. The stipules are large as well, often over a centimeter wide. The plant produces an inflorescence of up to 12 pea flowers usually arranged in a line along one side of the stem. The flowers are up to 2 centimeters wide and are a variety of shades of purple. The fruit is a dehiscent legume pod containing peas.
The leafy pea is native to northwestern California, western Oregon, and western Washington.
Lathyrus alpestris · Angled pea · Annual vetchling · Yellow pea · Golden Pea · Belin Sweet Pea · Twoflower pea · Lathyrus lanszwertii var. bijugatus · Red pea · Cicercha purpurina · Dark Blue Vetchling · China Davida
Text excerpted from the Wikipedia article Lathyrus polyphyllus by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
