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Genus of flowering plants in the family Hydrocharitaceae From Wikipedia, the free encyclopedia
Stratiotes is a genus of submerged aquatic plant commonly known as water soldiers,[3] described as a genus by Linnaeus in 1753.[4][5] Several specific names have been coined within the genus, but at present only one is recognized: Stratiotes aloides. native to Europe and NW Asia.[2]
| Water soldier | |
|---|---|
| |
| Stratiotes aloides[1] | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Alismatales |
| Family: | Hydrocharitaceae |
| Subfamily: | Stratiotoideae Luersson |
| Genus: | Stratiotes L. |
| Species: | S. aloides |
| Binomial name | |
| Stratiotes aloides | |
| Synonyms[2] | |
| |
moved to other genera: Enhalus Hydrocleys Ottelia
The leaves are serrate and very brittle, breaking easily when handled. Reproduction is generally by offsets, which may number five or more per plant. In the UK, male plants have rarely if ever been recorded, although some hermaphrodite flowers have been recorded from more southerly locations. Sexual reproduction is not known to occur. A characteristic of the genus is the habit of the plants rising to the surface at flowering time.
The plant appears to be associated with calcareous waters and there is a suggestion that changing levels of calcium carbonate on the leaves may explain the floating and submerging behaviour.
The rare dragonfly, the Norfolk hawker (Aeshna isosceles), relies on the presence of Stratiotes aloides as a food source for the smaller insects on which it feeds. The plant is very winter hardy.
Several fossil seeds of †Stratiotes kaltennordheimensis have been extracted from borehole samples of the Middle Miocene fresh water deposits in Nowy Sacz Basin, West Carpathians, Poland.[6]
Stratiotes aloides is commonly used in cool water ponds and aquariums in Europe.
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