Viola mandshurica

Family	Violaceae
Scientific name	Viola mandshurica W. Becker
Synonyms	Viola albida Palibin subsp. marginata W. Becker; Viola chinensis (G. Don) Nakai; Viola chinensis (G. Don) var. ciliata Nakai; Viola chinensis (G. Don) var. media Nakai; Viola chinensis (G. Don) var. transitica Nakai; Viola mandshurica W. Becker forma ciliata (Nakai) F. Maekawa; Viola mandshurica W. Becker forma glabra (Nakai) F. Maekawa ex H. Hara; Viola mandshurica W. Becker forma macrantha (Maximovicz) Nakai ex Kitagawa; Viola mandshurica W. Becker var. ciliata Nakai; Viola mandshurica W. Becker var. glabra Nakai; Viola mandshurica W. Becker var. glabripetala Hiyama; Viola mandshurica W. Beckervar. media (Nakai) Hiyama; Viola oblongo-sagittata forma ishizakii Yamamoto; Viola oldhamiana Nakai; Viola patrini de Candolle ex Gingius var. angustifolia Regel; Viola patrini de Candolle ex Gingius var. macrantha Maximovicz; Viola patrini de Candolle ex Gingius var. gmeliniana Miquel; Viola taiwaniana Nakai
Common name	(Japanese common name) sumire [viola]
	(English common name) Manchuria violet
Distribution	(Japan) Hokaido, Honshu, Shikoku, Kyushu, Okinawa
	(Other nations) Russia, Korea, China, Taiwan
Chromosomal number	2n=48
Description	Leaves 3-8cm length, 1.3.5cm width. Flowers dark pueple petals 12-17mm, flowering in March to May. Perennial plants.
Reference	Viola mandshurica W. Becker
	Viola mandshurica
	Heterocycle-fused pyrimidinone derivative and herbicidal composition (US Patent 6165942/2000)
	Herbicide containing substituted pyrazole derivative as active ingredient (US Patent 6809065/2004)
	Substituted pyrazole derivatives, production process thereof, and herbicide compositions containing the derivatives (US Patent 7192906/2007)

March 2007 at residental street	March 2007 at residental street	March 2007 at residental street

April 2007 at residental street