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Polypodium vulgare - L.                
                 
Common Name Polypody, Adders Fern, Golden Maidenhair Fern, Wall Fern, Common Polypod Fern
Family Polypodiaceae
Synonyms
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 Rocks, walls and trees, as well as on the ground, in a variety of habitats[187] but especially in humid shady conditions[31].
Range All of Europe, the Mediterranean, temperate Asia and eastern N. America.
Edibility Rating  
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Full shade Semi-shade

Summary       
Form: Irregular or sprawling, Rounded, Upright or erect.

Physical Characteristics       
 icon of manicon of fern
Polypodium vulgare is an evergreen Fern growing to 0.3 m (1ft) by 0.3 m (1ft in) at a fast rate.
It is hardy to zone (UK) 3. It is in leaf 12-Jan.

USDA hardiness zone : 3-6


Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay and nutritionally poor soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers dry or moist soil.

Polypodium vulgare Polypody,  Adders Fern, Golden Maidenhair Fern,  Wall Fern, Common Polypod Fern


http://commons.wikimedia.org/wiki/File:499_Polypodium_vulgare.jpg
Polypodium vulgare Polypody,  Adders Fern, Golden Maidenhair Fern,  Wall Fern, Common Polypod Fern
http://fr.wikipedia.org/wiki/Utilisateur:Jeffdelonge
   
Habitats       
Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Ground Cover; North Wall. In. East Wall. In.
Edible Uses                                         
Edible Parts: Root.
Edible Uses:

Root. Very sweet, it contains sugars, tannin and oils[13]. It is used as a liquorice adulterant[7]. The root has a unique, rather unpleasant odour and a sweet (cloying) flavour at first though it quickly becomes nauseating[222]. The root contains 15.5% saccharose and 4.2% glucose[218].
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.

Alterative;  Anthelmintic;  Cholagogue;  Demulcent;  Diuretic;  Expectorant;  Pectoral;  Purgative;  Tonic.

Polypody stimulates bile secretion and is a gentle laxative. In European herbal medicine it is traditionally used as a treatment for hepatitis and jaundice and as a remedy for indigestion and loss of appetite[254]. It should not be used externally since it can cause skin rashes[254]. The root is alterative, anthelmintic, cholagogue, demulcent, diuretic, expectorant, pectoral, purgative, tonic[4, 238, 240]. It can be used either fresh or dried and is best harvested in October or November, though it can be collected until February[4]. The leaves can also be used but are less active[4]. A tea made from the roots is used in the treatment of pleurisy, hives, sore throats and stomach aches and as a mild laxative for children[222]. It was also considered of value for lung ailments and liver diseases[222]. The poulticed root is applied to inflammations[222]. A tea or syrup of the whole plant is anthelmintic[222].
Other Uses
Insecticide;  Potash.

Plants can be grown as a ground cover in a shady position[188, 200]. They form a spreading carpet and are best spaced about 30cm apart each way[208]. The ash of burnt leaves is rich in carbonate of potash[4].
Cultivation details                                         
Landscape Uses:Border, Container, Erosion control, Foundation, Ground cover, Massing, Rock garden, Woodland garden. Easily grown in most light soils[187]. Prefers a soil of leaf mould and a cool but not too moist clay[1]. Prefers a cool damp shady position[1]. Thrives in dry shade[28, 188]. Established plants are drought tolerant[208]. They grow well on drystone walls[200]. Plants often grow as epiphytes[28, 31]. Members of this genus are rarely if ever troubled by browsing deer[233]. A rather variable plant, it is considered to be an aggregate species of several very similar species[187]. Only the roots should be planted, the rhizome being fixed to the surface of the soil[1, 187]. Special Features: Attractive foliage, Not North American native, There are no flowers or blooms.
                                                                                 
Propagation                                         
Spores - best sown as soon as they are ripe, though they can also be sown in the spring. Sow them 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 humid until they are well established. Do not plant outside until the ferns are at least 2 years old and then only in a very well sheltered position. Division. This is best done in the spring but it succeeds at most times of the year[1].
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Expert comment                                         
 
      
Author                                         
L.
                                                                                 
Botanical References                                         
17200
                                                                                 
Links / References                                         

[1]F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
[4]Grieve. A Modern Herbal.
Not so modern (1930's?) but lots of information, mainly temperate plants.
[7]Chiej. R. Encyclopaedia of Medicinal Plants.
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
[13]Triska. Dr. Hamlyn Encyclopaedia of Plants.
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
[28]Knight. F. P. Plants for Shade.
A small but informative booklet listing plants that can be grown in shady positions with a few cultivation details.
[31]Brown. Shade Plants for Garden and Woodland.
[187]Phillips. R. & Rix. M. Perennials Volumes 1 and 2.
Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
[188]Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers
Excellent range of photographs, some cultivation details but very little information on plant uses.
[200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[208]Thomas. G. S. Plants for Ground Cover
An excellent detailled book on the subject, very comprehensive.
[218]Duke. J. A. and Ayensu. E. S. Medicinal Plants of China
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
[222]Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America.
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
[233]Thomas. G. S. Perennial Garden Plants
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
[238]Bown. D. Encyclopaedia of Herbs and their Uses.
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
[240]Chopra. R. N., Nayar. S. L. and Chopra. I. C. Glossary of Indian Medicinal Plants (Including the Supplement).
Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
[254]Chevallier. A. The Encyclopedia of Medicinal Plants
An excellent guide to over 500 of the more well known medicinal herbs from around the world.

Readers comment                                         
 
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Subject : Polypodium vulgare  
             

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