Section		Plagiostigma Gordon
Scientific Name	Type species	Viola blandaeformis Nakai : {Usuba Sumire} Published in: Bull. Soc. Bot. France 72: 192. (1925)
	Variety
	Form
	Synonym	Viola blanda Willd. var. violascens Nakai Published in: Bot. Mag. Tokyo 36: (58) (1922)
	Origin	blandaeformis: Shape is similar with Vola blanda.
Common names		【Korean】엷은잎제비꽃
Stalk Form		The individual leaves and flowering stalks emerge directly from the rootstock.
Habitat		In Chubu District, it grows wild under the needle-leaf forest in the sub-high mountain. It sees at the humid place in which the moss grows.
Distribution	Japan domestic	Restrictively distributed from Hokkaido to Chube District.
	Japan overseas	Japanese endemic species.
	Others	(there is also information that are native to Korea)
Flower	Shape	Middle size. The upper valve is warped. The side valve is hairless (rarely hairy).
	Color	Pale white flower. Purple stripes enter the labellum.
	Spur	White, round and short.
	Season	Late (June-July).
	Stigma	Thin rod or small inverted triangle.
	Aromatic
	Others	The calyx is narrow-ovate, and the appendages are all edges.
Leaf	Shape	25 - 40mm long x 25 - 40mm wide. The low saw teeth overlap like a fold.
	Color	Bright green. The back side is glossy.
	Others	Hairless and thinly soft.
Seed	Shape	Obovate.
	Color	Milky white to yellowish white.
	Others	The smaller capsules have brown spots similar to Viola keiskei.
Characteristics of roots		The rhizome is thick and short, and slightly thickened.
Endangered Information		Akita:EndangeredⅡ, Fukushima：Near-threatened species, Niigata：Regional population, Saitama：EndangeredⅡ, Gifu：EndangeredⅠ
Type Specimen		Mt. Hakkoda, Iwaki, Iwate, Yatugatake and Nyoho.
Chromosome Number		2n=24
Reference Information
Others