Section		Vaginatae W. Becker
Scientific Name	Type species	Viola vaginata Maxim. : {Sumiresaisin}Published in: Bull. Acad. Imp. Sci. Saint-Petersbourg 23: 324 (1877)
	Variety	Viola vaginata var. satomii F.Maek. et T.Hashim., nom. nud. : {San-in Sumire Saisin} Published in: Violets Jap.: 7 (1963)
	Synonym	Viola vaginata f. satomii (F.Maek. et Hashimoto) E.Hama, nom. nud. : {San-in Sumire Saisin}
	Origin	vaginata : Sheathy, satomii : derived from a person's name
Common names
Stalk Form		The individual leaves and flowering stalks emerge directly from the rootstock.
Habitat		Slightly damp and moist forest in the mountain area or at the forest edge.
Distribution	Japan domestic	Mostly distributed in the San-in district.
	Japan overseas	Endemic species in Japan.
	Others
Flower	Shape	Soft large flowers. The base of the side valve is hairless.
	Color	Blue-purple. Generally the central part of the flower is white. The flower stalks are brownish in color.
	Spur	Thick and short.
	Season	Relatively early (April - May).
	Stigma	A sharp mantis head shape.
	Aromatic	Fragrant flowers and incenseless flowers are reported.
	Others	A type with white flowers are reported.
Leaf	Shape	Cardiac type with which the point sharpened. It enlarges after the bloom.
	Color	The surface is bright green. The back side is tinged with light purple.
	Others	It is rolling from both ends during the flower season. It gradually develops with flowering.
Seed	Shape	Large grain. Tear drop shape (bulging oval shape).
	Color	Ocher color.
	Others	Generally, the germination rate is low.
Characteristics of roots		Rhizome is thick.
Endangered Information
Type Specimen
Chromosome Number		2n=24
Reference Information
Others		Viola vaginata grows in with the side of Japan Sea, Viola vaginata grows in with the inland area, Viola bisseti grows in with Pacific Ocean side.