Lathyrus polyphyllus
Fabaceae
Leafy Peavine
Vine with tangled stems, many leaves. Plant hairless. Stem angled but not winged. Leaves with stipules at the base as big as leaflets, tendril at end of leaf branched, coiled or very short. Leaflets 10–16, oval, 1–2 1/2 in. long. Inflorescence on leafy stalk, more or less 1-sided with 6–12 flowers. Flowers purple, fading to blue. Grows in and at edges of forests at low to mid elevations.
- Rarity: Common
- Flowering Time: Late Spring, Early Summer
- Flower Form: Pea flowers, Tendril-tiped leaves
- Life Cycle: Perennial
- Height: 1–4 feet
- Habitat: Coastal, Disturbed, East-side Forest, Meadow, West-side Forest
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, West Gorge
- Native: Yes
- Also Known As: Oregon Pea
