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Summary
Physical Characteristics
Najas_graminea is a ANNUAL growing to 0.2 m (0ft 8in).
See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from July to September, and the seeds ripen from July to September. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) 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. It can grow in semi-shade (light woodland) or no shade. It can grow in water.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Edible Uses
Two reports say that the plant is edible but give no more details[105, 177]. The reports probably refer to the leaves[K].
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
The Bookshop: Edible Plant Books
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More Books
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Other Uses
References More on Other Uses
Cultivation details
A 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].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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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 in situ in the spring.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: Afghanistan, Iran, Lebanon, Syria, Turkmenistan, Japan (Honshu, Kyushu, Shikoku) TROPICAL ASIA: India, Papua New Guinea, Myanmar, Indonesia, Philippines AUSTRALASIA: Australia (Western Australia (north), Northern Territory (north)) AFRICA: Algeria, Egypt, Sudan, Chad, Yemen (Arkhabil Suqutrá), Kenya, Tanzania, Central African Republic, Cameroon, Democratic Republic of the Congo, Gambia, Mali, Senegal, Botswana, South Africa (Transvaal)
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
Delile.
Botanical References
50200
Links / References
For a list of references used on this page please go here
Readers comment
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