Flower NameThreeleaf Arrowhead
Formal NameSagittaria trifolia l. 'caerulea'
Alias田草, 慈姑, Hreeleaf arrowhead
HabitatSouth-East Asia, China (cultivated)
Threeleaf Arrowhead (Scilia, scientific name: Sagittaria trifolia var. Edulis) is an aquatic perennial vegetable of the genus Omodaka. The tuberous root of Omodaka is enlarged, grown in paddy fields of temperate and tropical regions of the world, and eaten the tubers.The leaves are green, the leaves are distinctive, the tip is arrowheaded It is called a Threeleaf Arrowhead in English name, it is said to be edible from the Edo period, its taste resembles lily root but has bitter taste.The season is from November to December. There are blue, yellow, white, and Suita kwai (Osaka), which are regarded as edible plants in Japan and China, as well as in the West.
Generic name: Kuwai (Milky Way), Scientific name: Sagittaria trifolia L. 'Caerulea', aka: Threeleaf arrowhead, distribution : Temperate, tropical region of the world, environment: paddy field, edible: acceptable, edible part: tubers, cooking method: New Year dish, boiled, kind: blue quai, white quire, Suita Kwai (Osaka), Shun: November to December, taste: similar to lily but bitter taste, use: edible, ornamental plants, remarks: It was considered edible from the Edo period.
Flower typeActinomorphic Flower
Leaf edgeEntire Fringe
Flowering placerice field
SeasonJul Aug Sep Oct
Height50 ~ 70 [cm]
Diameter0.5 ~ 2