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(First upload on June 6 2010. Last on May 15 2015) [ 日本語 | English ]

Viola sororia Willd.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Viola L. (スミレ)
Amerikasumiresaishin (アメリカスミレサイシン, 亜米利加菫細辛), common blue violet
Lifeform: deciduous forb
Distribution: Native to eastern North America (extotic to Japan)
Habitat: sunny to semi-shaded sites, e.g., roadsides and meadows (Native habitats: moist to mesic black soil prairies, open woodlands, woodland edges, savannas, and wooded slopes along rivers or lakes)

Lateral petal: dense hair at the base ↔ V. odorata: a little hair

Synonyms:

V. palmata L. var. sororia (Willd.) Pollard
V. priceana Pollard

Cultivars: many, e.g., Priceana (white flower of which center is purple), Snow Princess (white flower of which center is cream yellow), and Freckles (purple frecles on the flower)
索引

Viola sororia in Hokkaido


Viola1 Viola2 Viola3
Viola4 Viola5 Viola6
[1] in May 24 2010 at a parking lot in N25/E2, East Ward, Sapporo. Flowers emerge directly from the rhizomes and form a basal rosette. [2, 5/6] cv. freckles at Yachidamo Park (Yachidamo = Fraxinus mandshurica), N28E4, East Ward, Sapporo, on May 6 2015. [3/4] a white-flowered cultivar found at N27/W2 on May 26 2011. Probably escaped from a garden.

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