Viola riviniana, the common dog-violet, is a species of flowering plant in the family Violaceae, native to Eurasia and Africa.[1] It is also called wood violet[1] and dog violet.[1] It inhabits woodland edges, grassland and shady hedge banks. It is found in all soils except those which are acid or very wet.
| Viola riviniana | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Violaceae |
| Genus: | Viola |
| Species: |
V. riviniana
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| Binomial name | |
| Viola riviniana | |
Growing to 10 cm (3.9 in) tall and 50 cm (20 in) broad, this prostrate perennial has dark green, heart-shaped leaves and produces multiple violet coloured flowers in May and June.[2]
Viola riviniana was voted the county flowerofLincolnshire in 2002, following a poll by the wild plant conservation charity Plantlife.[3]
It is the food plant of the pearl bordered fritillary, small pearl-bordered fritillary, silver-washed fritillary and high brown fritillary butterflies.
It is a known host of the pathogenic fungus Puccinia violae.[6]
This species hybridises with early dog-violet (V. reichenbachiana) to produce Viola × bavarica.
Media related to Viola riviniana at Wikimedia Commons
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