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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    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
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).
See above for USDA hardiness. It is hardy to UK zone 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: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

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

Edible Uses

None known

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.
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].

References   More on Medicinal Uses

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Other Uses

Hair

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

Special Uses

References   More on Other Uses

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].

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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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

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

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
Asplenium bulbiferumHen And Chicken Fern, Parsley Fern, Mother SpleenwortFern0.3 10-11 SLMHSNM10 
Asplenium ceterachScale FernFern0.2 7-10  LMFSNM02 
Asplenium ruta-murariaWall Rue, Lance aspleniumFern0.1 5-9 SLMSM02 
Asplenium scolopendriumHart's Tongue FernFern0.6 4-8 SLMFSDM023
Asplenium trichomanesMaidenhair Spleenwort, Dense spleenwort, Toothed spleenwort, Brightgreen spleenwortFern0.4 5-9  LMFSM11 
Athyrium filix-feminaLady Fern, Common ladyfern, Subarctic ladyfern, Asplenium ladyfern, Southern Lady Fern, Tatting FerFern0.6 3-8 MLMHFSM122

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

17200

Links / References

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