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Potamogeton pectinatus - L.

Common Name Fennel-Leaved Pondweed
Family Potamogetonaceae
USDA hardiness Coming soon
Known Hazards None known
Habitats Ponds, rivers, canals, ditches etc, especially in base-rich waters in lowland areas, avoiding acid conditions and shade[13, 17].
Range An almost cosmopolitan plant, found in most areas of the world including Britain.
Edibility Rating    (3 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Water Plants Full sun
Potamogeton pectinatus Fennel-Leaved Pondweed


http://commons.wikimedia.org/wiki/File:Illustration_Ruppia_maritima0.jpg
Potamogeton pectinatus Fennel-Leaved Pondweed
http://commons.wikimedia.org/wiki/User:Fice

 

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Summary


Physical Characteristics

 
Potamogeton pectinatus is a PERENNIAL at a fast rate. It is in flower from May to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Water.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It can grow in water.

UK Hardiness Map US Hardiness Map

Synonyms

P. flabellatus. P. interuptus. Kit.

Plant Habitats

 Pond;

Edible Uses

Edible Parts: Leaves  Root  Stem
Edible Uses:

Leaves and stems[105]. No more details are given. Root - raw[105]. It tastes like nuts[85]. The outer rind should be removed[85].

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.
Hepatic

A decoction of the plant is used in the treatment of a feverish liver[218].

References   More on Medicinal Uses

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Other Uses

None known

Special Uses

Attracts Wildlife

References   More on Other Uses

Cultivation details

A submerged aquatic plant that can be used as an oxygenator of ponds[1]. It is best given a loam based medium in full sun[200]. A polymorphic species[17]. A fast growing plant in need of constant checking to make sure it does not overrun the pond[200]. It provides a very good food source for ducks and other water fowl[212]. Plants do not flower every year[212]. Hybridizes freely with other members of this genus, the resulting progeny is usually sterile[200].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

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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 for this species but suggest sowing the seed in a pot that is standing in its own depth of water in a greenhouse as soon as the seed is ripe if this is possible. Stored seed is likely to have a short viability. Prick out the seedlings when they are large enough to handle and increase the depth of water around the pot until the plants are covered by a few centimetres of water. Grow the plants on in a sunny position in the greenhouse for their first winter, increasing the depth of water as the plants grow larger. Plant them out into their permanent positions in early summer. Division in spring[56]. Cuttings of erect shoots in the growing season[56].

Other Names

If available other names are mentioned here

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 NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Potamogeton cheesemanii Perennial0.0 -  LMHNWeWa10 
Potamogeton crispusCurly PondweedPerennial0.0 0-0 FLMHNWa200
Potamogeton cristatus Perennial0.0 - FLMHNWa10 
Potamogeton distinctus Perennial0.0 - FLMHNWa10 
Potamogeton natansBroad-Leaved Pondweed, Floating pondweedPerennial1.0 0-0 FLMHNWa31 
Potamogeton oxyphyllus Perennial0.0 - FLMHNWa20 
Potamogeton suboblongus Perennial0.0 - FLMHNWa10 

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

17

Links / References

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

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