The general range of the species is Europe , Central Asia , the south of the Russian Far East , Asia Minor , Iran , the east of Mongolia , Japan , China , India [2] , is noted in the USA [3] . It grows on the banks of ponds, the outskirts of marshes [4] .
Perennial plant up to 1 m high. The stem is leafless, upright, submerged in water only the lower part. The airy leaves are swept, their narrow-lanceolate lobes are long and thinly pointed.
Inflorescence is a simple or branched brush. Flowers are arranged three in a whorl. Female - in the lower whorls, on short pedicels, male - in the upper, on long pedicels. The petals are all white. Achenes are wide-triangular, with a curved nose and a wide uneven serrated edge. Flowering in June - July.
Tubers are eaten boiled and dried. Leaves are used in folk medicine . In a number of East countries it is grown for commercial purposes [5] .
It is included in the Red Books of the following constituent entities of the Russian Federation: Buryatia , Irkutsk Oblast , Kalmykia , Omsk Oblast . Also included in the Red Book of Armenia [6] .
According to The Plant List [7]
- Sagittaria chinensis sims
- Sagittaria doniana sweet
- Sagittaria edulis Schltdl.
- Sagittaria hastata D.Don
- Sagittaria hirundinacea blume
- Sagittaria japonica H. Vilm.
- Sagittaria macrophylla bunge
- Sagittaria leucopetala ( Miq. )
- Sagittaria obtusa Thunb.
- Sagittaria sagittata Thunb.
- Sagittaria sagittifolia var diversifolia M.Michel
- Sagittaria sagittifolia var. edulis ( Schltdl. ) Siebold ex Miq.
- Sagittaria sagittifolia var. leucopetala miq.
- Sagittaria sagittifolia subsp. leucopetala ( Miq. ) Hartog
- Sagittaria sagittifolia var. longiloba turcz.
- Sagittaria sagittifolia f. sinensis ( Sims ) Makino
- Sagittaria sagittifolia var. subaequilonga regel
- Sagittaria sinensis sims
- Sagittaria trifolia f. albida makino
- Sagittaria trifolia var. angustifolia kitag.
- Sagittaria trifolia f. caerulea Makino
- Sagittaria trifolia var. edulis ( Schltdl. ) Ohwi ex WTLee
- Sagittaria trifolia f. heterophylla makino
- Sagittaria trifolia var. leucopetala miq.
- Sagittaria trifolia subsp. leucopetala ( Miq. ) QF Wang
- Sagittaria trifolia var. longiloba ( Turcz. ) Kitag.
- Sagittaria trifolia var. retusa JKChen , XZSun & HQWang
- Sagittaria trifolia var. sinensis ( Sims ) Makino
- Sagittaria trifolia f. subhastata Makino
- Sagittaria trifolia f. suitensis Makino