Violaceae
Viola primulifolia L.
Viola primulifolia L.
Viola primulifolia, the primrose-leaf violet, is a stemless perennial violet native mainly to eastern North America with a rare Pacific Northwest variety.
Viola pubescens Aiton
Viola pubescens Aiton
Viola pubescens, the downy yellow violet, is a widespread North American violet with two flower types that resembles Viola rotundifolia.
Viola purpurea Kellogg
Viola purpurea Kellogg
Viola purpurea Kellogg is a small yellow-flowered violet native to mountain and foothill areas of the western United States.
Viola rafinesquei Greene
Viola rafinesquei Greene
Viola rafinesquei (American field pansy) is a winter annual violet native to central and eastern United States with distinct dimorphic flowers.
Viola reichenbachiana Jord. ex Boreau
Viola reichenbachiana Jord. ex Boreau
Viola reichenbachiana is a small flowering violet grown ornamentally for its distinct dull purple star-shaped flowers.
Viola renifolia A.Gray
Viola renifolia A.Gray
Viola renifolia, or kidneyleaf white violet, is a small North American native perennial violet with white flowers.
Viola riviniana Rchb.
Viola riviniana Rchb.
Viola riviniana, common dog-violet, is a Violaceae perennial native to Eurasia and Africa, common in the British Isles and Ireland.
Viola rostrata Pursh
Viola rostrata Pursh
Viola rostrata Pursh is a stemmed perennial violet with characteristic leaves and spring-blooming pale lilac flowers.
Viola rotundifolia Michx.
Viola rotundifolia Michx.
Viola rotundifolia, the roundleaf yellow violet, is a small 2-4 inch Viola species native to mesic habitats of eastern North America.
Viola rupestris F.W.Schmidt
Viola rupestris F.W.Schmidt
Viola rupestris F.W.Schmidt is a flowering plant in the Violaceae family, native to temperate Eurasia.
Viola sagittata Aiton
Viola sagittata Aiton
Viola sagittata, the arrowleaf violet, is a stemless perennial purple-flowered violet native to eastern North America.
Viola selkirkii Pursh ex Goldie
Viola selkirkii Pursh ex Goldie
Viola selkirkii, Selkirk's or great-spur violet, is a circumboreal violet with distinctive large spur, dispersed by ants.
Viola sempervirens Greene
Viola sempervirens Greene
Viola sempervirens (redwood violet) is a small low perennial herb with single yellow-petaled flowers that bloom from March to June.
Viola septemloba Leconte
Viola septemloba Leconte
Viola septemloba, the southern coastal violet, is a perennial flowering violet native to the southeastern US Atlantic Plain.
Viola sheltonii Torr.
Viola sheltonii Torr.
Viola sheltonii, or Shelton's violet/fan violet, is a rhizomatous yellow-flowered violet native to the western United States.
Viola sororia Willd.
Viola sororia Willd.
Viola sororia, common meadow violet, is an edible perennial violet, used as food, medicine, and a nectar/host plant for wildlife.
Viola striata Aiton
Viola striata Aiton
Viola striata is a small spring-flowering perennial violet native to eastern North America, with edible leaves and blossoms.
Viola tricolor L.
Viola tricolor L.
Viola tricolor L. (wild pansy) is a small Eurasian violet with a long history of ornamental and medicinal use.
Viola trinervata (Howell) Howell ex A.Gray
Viola trinervata (Howell) Howell ex A.Gray
Viola trinervata, the sagebrush violet, is a low perennial herb native to the Columbia River plateau of Washington and Oregon.
Viola uliginosa Besser
Viola uliginosa Besser
Swamp violet (Viola uliginosa) is a flowering plant in the Violaceae family native to Europe.
Viola uniflora L.
Viola uniflora L.
Viola uniflora is a perennial flowering violet native to parts of northern and central Asia, found in wetter forest-steppe areas.
Viola vallicola A.Nelson
Viola vallicola A.Nelson
Viola vallicola is a North American native perennial violet with two accepted varieties.
Viola hallii A.Gray
Viola hallii A.Gray
Viola hallii A.Gray is a rhizomatous herb with distinctive patterned flowers, found in southwestern Oregon.
Viola bakeri Greene
Viola bakeri Greene
Viola bakeri Greene is a small herb with yellow violets growing from a woody taproot.
Related Families
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