Lathyrus latifolius
broad-leaf peavine, everlasting or perennial sweet pea, everlasting pea, everlasting peavine, everlasting vetchling, perennial pea, perennial peavine, perennial sweet pea, sweet pea
broadly winged, sprawling or climbing, basally branched 1–5 times, 8–20 dm.
2–5 cm, rachises broadly winged;
tendrils well developed, branched;
stipules lanceolate, 30–40 × 7–15 mm, at least 1/2 width of stem, much smaller than leaflets;
leaflets 2, blades lanceolate-elliptic, 30–120 × 7–50 mm, surfaces glabrous.
5–15-flowered, 10–33 cm.
15–20 mm;
calyx lobes unequal, lateral lobes linear-triangular, shorter than tube;
corolla purple, magenta, pink, or white, banner erect, blade longer than claw, wings equal to keel;
ovary densely glandular-pubescent, style rotated 90° from ovary axis.
50–110 × 5–10 mm.
= 14.
Lathyrus latifolius
Lathyrus latifolius is widely naturalized in North America and forms large thickets along roadsides, especially in the Pacific Coast states. M. J. W. Godt and J. L. Hamrick (1991) explored genetic variation within the species as it occurs in North America.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
- Local floras:
BC, 
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WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
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MI Flora, 
MN Wildflowers, 
MO Plants, 
PNW Herbaria, Turner Photog. 
WildflowerSearch
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