Vicia americana American vetch Fabaceae VIAM(*); R;


Vicia americana.Barry

Vicia americana. © Barry (Accessed 4/2014).

Vicia americana is a perennial, herbaceous  vine to 1 m, stems smooth, trailing, climbing; stipules sharply toothed. 

Leaves alternate, evenly pinnate, leaflets 4-8 pairs, to 3.5 cm long, 1.4 cm wide, oblong to elliptic often rounded and bristle -tipped, terminal leaflet a tendril. 

Flowers blue-purple, pea flower-shaped, to 2 cm long, calyx teeth unequal, in unbranched, shorter than leaves. 

Fruit pod to 3.5 cm, seeds 0.4 cm. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Native to Western NYS, most of USA except south. 

Habitat: Thickets and meadows, moist woods, soil pH 5.9-7.2 (USDA, NRCS 2010).