Section		Vaginatae W. Becker
Scientific Name	Type species	Viola yazawana Makino Published in: B. M. T. 16: 158 (1902)
	Variety
	Form
	Synonym
	Origin	yazawana : It is a name originating in a name of a person. cf.: Mr. Y. Yazawa (1868-1942. Naturalist, Educator in Nagano Pref.)
Common names		【Korean】애기금강제비꽃
Stalk Form		The individual leaves and flowering stalks emerge directly from the rootstock.
Habitat		Limestone region in high mountain. It is seen with a dry soil on the woods edge where high-humidity in the air.
Distribution	Japan domestic	Restrictively distributed over northern Kanto from the central part, and is known as a plant of a Fossa Magna element.
	Japan overseas	Japanese endemic species. However, there is information that it is distributed in the Korean Peninsula.
	Others
Flower	Shape	Middle size, round valve. Side valves are hairless.
	Color	A center is yellowish green with a beautiful white flower.
	Spur	Cylindrical and short.
	Season	Late (May-June).
	Stigma	Inverted triangle.
	Aromatic
	Others
Leaf	Shape	Elongated heart-shaped or oblong-ovate. 5 - 6cm long x 6 - 7cm wide
	Color	Bright green. The underside has short white hairs.
	Others	During the flowering season, the leaf opening is delayed and the base is often curled.
Seed	Shape
	Color
	Others	The pointed egg-shaped capsule has purpura.
Characteristics of roots
Endangered Information		Tokigi：Endangered Ⅱ, Gunma：Endangered Ⅰ, Saitama：Endangered Ⅰ, Tokyo：Endangered Ⅰ, Yamanasi：Near endangered species.
Type Specimen		Mt. Togakushi in Nagano by Yazawa
Chromosome Number		2n=20 (Yoshioka, H. & R. TANAKA. 1981. Chromosomes of Viola. Shin Kaki 112)
Reference Information
Others