Definitions for vicia cracca
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tufted vetch, bird vetch, Calnada pea, Vicia cracca(noun)
common perennial climber of temperate regions of Eurasia and North America having dense elongate clusters of flowers
Vicia cracca, is a species of vetch native to Europe and Asia. It occurs on other continents as an introduced species, including North America, where it is a common weed. It often occurs in disturbed habitats, including old-fields and roadside ditches. Cow Vetch is similar to a pea in growth habit, sending out noose-like tendrils from the tips of its leaves when it contacts another plant and securely fastens itself. This can cause "strangling" of smaller plants. An individual plant may reach a length of 2 m and its taproot may extend up to 1 m. The leaves are 3–8 cm long, pinnate, with 8–12 pairs of leaflets, each leaflet 5–10 mm long. The plant is fast-growing and flowers prolifically, sending out one-sided racemes of cascading pea-flower shaped purple to violet flowers from the leaf axil during its late spring to late summer flowering period. The flowers drop off and tiny bright green seed pods start to form. Cow Vetch is very similar to Hairy Vetch, but is distinguished from the latter by its smooth stem. The seed pods are 2 cm long, and like the flowers, resemble those of a very small pea. The tiny seeds within are ripe when the pods have turned black. Unripened seeds are swollen and have a green tint to them, but they unswell when they become ripe. The seed pods vary from light brown to dark brown with black spots.
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"vicia cracca." Definitions.net. STANDS4 LLC, 2015. Web. 26 Nov. 2015. <http://www.definitions.net/definition/vicia cracca>.