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Asplenium adiantum-nigrum - L.

Common Name Black Spleenwort
Family Polypodiaceae
USDA hardiness 5-9
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 Rocky woods, hedgebanks, shady walls and rocks[17].
Range Most of Europe south of the Faroes, including Britain, to the Himalayas, N. and S. Africa.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Moist Soil Full shade Semi-shade
Asplenium adiantum-nigrum Black Spleenwort


http://commons.wikimedia.org/wiki/File:Illustration_Asplenium_trichomanes0.jpg
Asplenium adiantum-nigrum Black Spleenwort
http://commons.wikimedia.org/wiki/User:BerndH

 

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Summary


Physical Characteristics

 icon of manicon of fern
Asplenium adiantum-nigrum is an evergreen Fern growing to 0.5 m (1ft 8in).
It is hardy to zone (UK) 6. It is in leaf all year, and the seeds ripen from June to October.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers moist soil.

Synonyms

Habitats

Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Hedgerow; North Wall. In.

Edible Uses

None known

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.

Bitter;  Contraceptive;  Diuretic;  Emmenagogue;  Expectorant;  Laxative;  Ophthalmic;  Pectoral.


The plant is bitter, diuretic, laxative and ophthalmic[240]. It is taken internally to treat diseases of the spleen, jaundice and ophthalmia[240]. It is said to produce sterility in women[240]. A decoction or syrup made from the fronds is emmenagogue, expectorant and pectoral[240]. It is used to relieve troublesome coughs[4].

Other Uses

Hair.

A decoction of the herb is a good hair wash[17].

Cultivation details

Requires a partly shaded site with preferably less than 3 hours sunshine daily[200]. Plants can be grown in old brick walls[219]. Members of this genus are rarely if ever troubled by browsing deer[233].

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. Germinates in spring[1]. Spring sown spores germinate in 1 - 3 months at 15°c[134]. Pot on small clumps of plantlets as soon as they are large enough to handle and grow them on in light shade in a cold frame or greenhouse. Keep them humid until they are well established. When they are at least 15cm tall, plant them out into their permanent positions in late spring or early summer.

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
Latin NameCommon NameEdibility RatingMedicinal Rating
Asplenium bulbiferumHen And Chicken Fern, Parsley Fern, Mother Spleenwort10
Asplenium ceterachScale Fern02
Asplenium ruta-murariaWall Rue, Lance asplenium02
Asplenium scolopendriumHart's Tongue Fern02
Asplenium trichomanesMaidenhair Spleenwort, Dense spleenwort, Toothed spleenwort, Brightgreen spleenwort11
Athyrium filix-feminaLady Fern, Common ladyfern, Subarctic ladyfern, Asplenium ladyfern, Southern Lady Fern, Tatting Fer12

 

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Author

L.

Botanical References

17200

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