Section		Trigonocarpae Gordon
Scientific Name	Type species	Viola grayi Franchet et Savatier : {Iso Sumire} : Published in: Enum. Pl. Jap. 2: 288. (1878)
	Variety
	Form
	Synonym	Viola senamiensis Nakai, 1939 Published in: Journ. Jap. Bot., 15: 405. (1939)
	Origin	grayi : originating in a name of a person "A. Gray (1810-1888, Botanist in US)".
Common names		【English】wonder violet
Stalk Form		A flower scape is extended from a stalk, and a flower blooms from each scape.
Habitat		Sandy places on seashores, a lot in the verge of sands and the soil.
Distribution	Japan domestic	From Hokkaido to Aomori in the Pacific Ocean side, from Hokkaido to Tottori in the Sea of Japan side.
	Japan overseas
	Others	Endemic to Japan.
Flower	Shape	Large size.
	Color	Basic color is pale bluish purple.
	Spur	Thick white.
	Season	Late.
	Stigma	Rod-shaped, the stigma bends a little.
	Aromatic	It has a scent (unconfirmed).
	Others	The side valve is hairless.
Leaf	Shape	1.5 - 4cm long, 1.5 - 3cm wide.> Generally the surface is lustrous. Upper surface and the back is green.
	Color
	Others
Seed	Shape	Oval (about 2 mm).
	Color	Shiny blackish brown.
	Others
Characteristics of roots		It is brown and extends straight down.
Endangered Information		Ministry of the Environment【EndangeredⅡ（VU）】, Hokkaido：Near Threatened, Akita：EndangeredⅠ, Yamagata：EndangeredⅡ, Niigata：EndangeredⅡ, Toyama：EndangeredⅠ, Fukui：絶滅危惧Ⅱ, Kyoto：EndangeredⅡ, Tottori：EndangeredⅡ
Type Specimen		Viola senamiensis : Kamikaifu Vil., Iwafune, Niigata Prefe. (currently Murakami City) 1938/05/09 by Mituo Nagasawa（Objection : Dr. Tomitaro Makino 1928）
Chromosome Number		2n=20
Reference Information
Others		The habitat is extremely reduced and needs protection.