Najas marina - Spiny Naiad

Family:	Najadaceae
Habit:	Perennial
Synonyms:	N. major. All.
Range:	Cosmopolitan, found in most areas of the world, including Britain, but absent from colder regions.

Najas marina (Spiny Naiad) is a Perennial. It has a hardness rating of 0.
The flowers from this plant are dioecious (each plant is either male or female, thus both genders need to be present to seed) and they are pollinated by Water

Soil Information

Spiny Naiad will grow in light (sandy),medium (loamy),hard (clay) soil. It is not necessary for the soil to be well drained.
The soil prefers the following PH / acid levels :
- pH of less than 6, Acidic soils
- pH between 6 and 8, Neutral soils
- pH greater than 8, Basic soils
Spiny Naiad prefers soils

Ideal Planting Locations

Spiny Naiad can grow in semi or areas with no shade.

Fresh or brackish water[50].

Planting places suited to this plant described below.

• Is a pond plant

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].

Edible Uses*

* See disclaimer
Edible Rating: 1/5
Young plant - raw[46, 61, 105].

• Leaves -

Medicinal Uses*

* See disclaimer
Medicinal Rating: 0/5
None known

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].

Known Hazards

None known

Other Uses

None known

Cultivars

no recorded cultivars

References

Flora of the British Isles.
Clapham, Tootin and Warburg.
Author: Clapham, Tootin and Warburg.
Rating:
Publisher : A very comprehensive flora, the standard reference book but it has no pictures.
Date of Publication : 1962

Flora Europaea
?
Author: ?
Rating:
Publisher : An immense work in 6 volumes (including the index). The standard reference flora for europe, it is very terse though and with very little extra information. Not for the casual reader.
Date of Publication : 1964

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