dog violet
noun
a violet, Viola canina, that grows in Europe and N Asia and has blue yellow-spurred flowers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Examples from the Web for dog violet
Historical Examples of dog violet
It feeds in May and June on dog-violet, and has been reared on garden pansy.
The Butterflies of the British IslesRichard South
The ribs seem to be eighteen or twenty in number; laid in June or July on plants of dog-violet.
The Butterflies of the British IslesRichard South
The caterpillar, which feeds on the dog-violet, is very similar to that of the last; as also is the chrysalis.
British ButterfilesW. S. Coleman