Vicia americana var. americana, Vetch, (Fabaceae, the bean Family), trailing or climbing perennial to 1 m in length, violet flowers, habitat: moist woods, throughout temperate N. America (102, 103).
It is known to produce vicianin C19H25NO10, also known as mandelonitrile vicianoside (174, 238).
Viola eriocarpa, Smooth yellow violet, (Violaceae, the Violet Family), to 1.5 dm in height, yellow flowers, habitat: low open woods and meadows throughout most of Central U.S. (102, 103).
In European traditions violet species were listed as soothing, softening of coughs and colds, urinary tract ailments, and skin conditions such as eczema. The roots of most if not all violet species may incude vomiting (88).
It is known to produce vicianoside, violutoside, and vicianin C19H25NO10, also known as mandelonitrile vicianoside (174, 238).
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