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Ophioglossum vulgatum - L.

Common Name Adder's Tongue, Southern adderstongue
Family Ophioglossaceae
USDA hardiness 4-8
Known Hazards Although we have found no reports of toxicity for this species, a number of ferns contain carcinogens so some caution is advisable[200]. Many ferns also contain thiaminase, an enzyme that robs the body of its vitamin B complex. In small quantities this enzyme will do no harm to people eating an adequate diet that is rich in vitamin B, though large quantities can cause severe health problems. The enzyme is destroyed by heat or thorough drying, so cooking the plant will remove the thiaminase[172].
Habitats Damp grassland, fens and scrub[17].
Range Europe, including Britain, from Iceland south and east to N. Africa, north and west Asia.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Moist Soil Full sun
Ophioglossum vulgatum Adder


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Ophioglossum vulgatum Adder

 

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Summary


Physical Characteristics

 icon of manicon of fern
Ophioglossum vulgatum is a FERN growing to 0.3 m (1ft).
It is hardy to zone (UK) 5. The seeds ripen from May to August.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Synonyms

Habitats

Woodland Garden Sunny Edge; Meadow; Cultivated Beds;

Edible Uses

Edible Parts: Leaves.
Edible Uses:

Used as a vegetable[145]. No more details are given.

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.

Emetic;  Skin;  Vulnerary.

The root and the leaves are antiseptic, detergent, emetic, haemostatic, styptic and vulnerary[4, 61, 218]. An ointment made from the plant is considered to be a good remedy for wounds and is also used in the treatment of skin ulcers[4, 145]. The expressed juice of the leaves is drunk as a treatment for internal bleeding and bruising[4].

Other Uses

None known

Cultivation details

Prefers a moist free-draining soil[1]. Plants are hardy to about -15°c[200]. The prothalli (a small plant formed when the spore germinates) of this species form a symbiotic relationship with a mycorrhizal fungus in much the same way as orchid seedlings[200]. Members of this genus are rarely if ever troubled by browsing deer[233]. Plants can be hard to establish, they can be naturalized in a meadow or cultivated in the border where they should be left undisturbed[200]. Unlike most species of ferns, the fronds of this species grow up straight and not curled inward, crozier fashion[4].

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Propagation

Spores - best sown as soon as they are ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. Pot on small clumps of plantlets as soon as they are large enough to handle and keep them in humid conditions until they are well established. Do not plant outside until the ferns are at least 2 years old. Division of underground rhizomes with care because the roots are brittle[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

 

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Expert comment

Author

L.

Botanical References

17200

Links / References

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Subject : Ophioglossum vulgatum  
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