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Photographer: Robert R. Kowal
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Family Fabaceae
Lathyrus palustris L.
marsh pea, marsh vetchling, slender-stem pea-vine
Lathyrus: from the Greek lathyros, an old name for "pea"
palustris: "of marshes"
Hazardous 
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| Status: | Native |
| Plant: | climbing, perennial, 1'-4' long forb; stems often winged |
| Flower: | purple and white, 5-parted, 3/4" long; inflorescence a long-stalked cluster (raceme) of 2-6 stalked flowers; blooms June-July |
| Fruit: | long pod |
| Leaf: | pinnately-divided into 2-4 pairs of leaflets with a tendril at the end; asymmetrical, sharp-pointed, leaf-like appendages at the base |
| Habitat: | wet to moist; meadows, shores, marshes |
| (Glossary) |
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