Lathyrus palustris L.  
Family: Fabaceae
marsh pea, marsh vetchling, slender-stem pea-vine
[Lathyrus myrtifolius Muhl. ex Willd., Lathyrus myrtifolius var. macranthus Muhl. ex Willd., Lathyrus palustris subsp. pilosus L., Lathyrus palustris var. genuinus L., Lathyrus palustris var. linearifolius L., Lathyrus palustris var. macranthus L., Lathyrus palustris var. meridionalis L., Lathyrus palustris var. myrtifolius L., Lathyrus palustris var. pilosus L., Lathyrus palustris var. retusus L., Lathyrus pilosus Cham., Orobus myrtifolius (Muhl. ex Willd.) A.Hall]
Lathyrus palustris image
Merel R. Black  
Etymology: Lathyrus: from the Greek lathyros, an old name for "pea"
Plants: climbing, perennial, 1'-4' long forb; stems often winged
Leaves: pinnately-divided into 2-4 pairs of leaflets with a tendril at the end; asymmetrical, sharp-pointed, leaf-like appendages at the base
Flowers: purple and white, 5-parted, 3/4" long; inflorescence a long-stalked cluster (raceme) of 2-6 stalked flowers; blooms June-July
Fruits: long pod
Habitat: wet to moist; meadows, shores, marshes
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Lathyrus palustris image
Merel R. Black  
Lathyrus palustris image
Robert R. Kowal  
Lathyrus palustris image
Botancial Illustration  
Lathyrus palustris image
Caroline A. Creevey  
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