Viola canadensis var. rugulosa
Standard Cyclopedia of Horticulture |
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Viola rugulosa, Greene (V. Rydbergii, Greene). Plants widely spreading from long underground stolons: first lvs. broad and densely pubescent underneath, long-petioled, cordate-reniform and abruptly acuminate: fls. sometimes tinged with violet. Minn. and westward to Colo. and Brit. Col.
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