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For other uses, see Stratioti and Stratiotes (beetle).
Stratoides aloides.jpg
Stratiotes aloides
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Hydrocharitaceae
Genus: Stratiotes

Stratiotes acoroides
Stratiotes alismoides
Stratiotes aloides
Stratiotes nymphoides

Stratiotes aloides flower

Stratiotes is a genus of submerged aquatic plant commonly known as water soldiers. A characteristic of the genus is the habit of the plants rising to the surface at flowering time.


One species, Stratiotes aloides, is native to Europe and NW Asia.


The leaves are serrate and very brittle, breaking easily when handled. Reproduction is generally by offsets, which may number 5 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.


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.

Stratiotes aloides plants

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. they are very winter hardy


S. aloides is commonly used in cool water ponds and aquariums in Europe

External links[edit]

  • Invading Partnership between the Ontario Ministry of Natural Resources and the Ontario Federation of Anglers and Hunters