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Summary
Physical Characteristics
Najas marina is a PERENNIAL growing to 0.5 m (1ft 8in). It is in flower from September to November, and the seeds ripen from September 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 is pollinated by Water.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in saline soils.
It can grow in semi-shade (light woodland) or no shade. It can grow in water.
UK Hardiness Map
US Hardiness Map
Synonyms
N. major. All.
Plant Habitats
Pond;
Edible Uses
Edible Parts: Leaves
Edible Uses:
Young plant - raw[46, 61, 105].
References More on Edible Uses
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
References More on Medicinal Uses
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Other Uses
References More on Other Uses
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].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant 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
Native Range
TEMPERATE ASIA: Cyprus, Egypt (Sinai), Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey, Armenia, Azerbaijan, Georgia, Russian Federation (Altay, Buryatia, Chita, Krasnoyarsk, Novosibirsk, Tyumen), Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Mongolia, Russian Federation (Amur), China (Anhui Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Hebei Sheng, Heilongjiang Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Jilin Sheng, Liaoning Sheng, Nei Mongol Zizhiqu, Shandong Sheng, Shanxi Sheng, Xinjiang Uygur Zizhiqu, Yunnan Sheng, Zhejiang Sheng), Korea, Taiwan TROPICAL ASIA: India, Sri Lanka, Pakistan, Myanmar, Vietnam, Malaysia NORTHERN AMERICA: United States (Indiana, Michigan, New York, Minnesota, North Dakota, Wisconsin, Florida, Texas, Arizona, California, Nevada, Utah), Mexico (Yucatán) SOUTHERN AMERICA: Hispaniola, Antigua and Barbuda, Bahamas, Barbados, Cuba, Jamaica, United States (Puerto Rico), Guatemala, Panama, El Salvador, Venezuela, Brazil, Bolivia, Argentina (Mendoza, Corrientes, San Luis) PACIFIC: United States (Hawaii) AUSTRALASIA: Australia (New South Wales, Queensland, Victoria, Western Australia) EUROPE: Denmark, Finland, United Kingdom, Norway, Sweden, Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Luxembourg, Netherlands, Poland, Slovakia, Belarus, Estonia, Lithuania, Latvia, Moldova, Russian Federation (Kalmykija, Respublika), Ukraine (incl. Krym), Albania, Bulgaria, Bosnia and Herzegovina, Greece (incl. Crete), Croatia, Italy (incl. Sardinia, Sicily), Montenegro, Romania, Serbia, Slovenia, Spain, France, Portugal AFRICA: Algeria, Egypt, Libya, Morocco, Tunisia, Ethiopia, Tanzania, Uganda, Mozambique, Malawi, Zambia, Zimbabwe, Botswana, Namibia, South Africa (KwaZulu-Natal, Western Cape)
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 :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
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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