Section		Trigonocarpae Gordon
Scientific Name	Type species	Viola thibaudieri Franch. et Savat. Published in: Enum. pl. Jap. 2:290. (1878)
	Variety
	Form
	Synonym
	Origin	thibaudieri : It originates in the name of a person. : Thibaudier (Fr.)., (He had been working at Yokosuka in the Meiji period.)
Common names
Stalk Form		A flower scape is extended from a stalk, and a flower blooms from each scape. The stalk becomes a height of about 30-40cm in summer.
Habitat		It grows naturally in a bright woods. It tends to be overcrowded in the woods.
Distribution	Japan domestic	Very limited. A Nagano endemic species. In fact, the habitat is only one place.
	Japan overseas
	Others
Flower	Shape	Small size (about 2cm). A petal is thinner and there is hair in a side valve.
	Color	White. A purple article is in the labial palp.
	Spur
	Season
	Stigma
	Aromatic
	Others
Leaf	Shape	The leaf resembles a slim knotweed. It looks like a plant unlike the violet genus.
	Color	Both sides are light green.
	Others	Leaf and petiole are continuously integrated.
Seed	Shape	Medium size. Round spindle shape.
	Color	Pale brown.
	Others
Characteristics of roots		The rhizomes are massive. Adventitious buds may occur and multiple above-ground stalks may stand up.
Endangered Information		【Threatened IB（EN）】, Nagano：ThreatenedⅠ(1A)
Type Specimen		Shinano
Chromosome Number		2n=20
Reference Information
Others		In early autumn (September), the aerial parts wither and form overwintering sprouts.