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Najas marina - L.

Common Name Spiny Naiad
Family Najadaceae
USDA hardiness Coming soon
Known Hazards None known
Habitats Fresh or brackish water[50]. Ponds, lakes and slowly-moving rivers at elevations up to 2700 metres in China[266]. Brackish or highly alkaline waters of ponds and lakes to 1000 metres in America[270].
Range Cosmopolitan, found in most areas of the world, including Britain, but absent from colder regions.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Water Plants Semi-shade Full sun
Najas marina Spiny Naiad


http://commons.wikimedia.org/wiki/File:Illustration_Najas_marina0.jpg
Najas marina Spiny Naiad
http://commons.wikimedia.org/wiki/User:Fabelfroh

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Summary


Physical Characteristics

 icon of manicon of flower
Najas marina is a PERENNIAL growing to 0.5 m (1ft 8in). It is in flower from Sep to November, and the seeds ripen from Sep to November. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). and are pollinated by Water. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in saline soils.
It can grow in semi-shade (light woodland) or no shade. It can grow in water.

Synonyms

N. major. All.

Habitats

 Pond;

Edible Uses

Edible Parts: Leaves.
Edible Uses:

Young plant - raw[46, 61, 105].

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known

Other Uses

None known

Cultivation details

A submerged water plant, succeeding in shallow fresh or brackish water[200]. This is one of the few genera of plants where fertilization takes place under the surface of the water[274]. Dioecious, male and female plants must be grown if seed is required[274].

Propagation

Seed - we have no information on this species but suggest sowing the seed in situ as soon as it is ripe if this is possible. Otherwise store the seed in water in a cool place and sow it in situ in the spring. Division in the growing season[200].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Najas flexilisNodding waternymph20
Najas gramineaRicefield waternymph10

 

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Expert comment

Author

L.

Botanical References

1750270

Links / References

For a list of references used on this page please go here

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Subject : Najas marina  
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