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Uses

Toxic parts

Although we have found no reports of toxicity for this species, a number of ferns contain carcinogens so some caution is advisable[1]. 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[2].

Edible uses

Notes

Root - roasted[3][4][5][6]. Peeled and then baked like potatoes[7]. The roots were generally viewed by the native North American Indians mainly as a famine food for use when little else was available[8]. The roots were generally harvested in the spring, before the plant came into growth then cooked and peeled before being eaten[8].

Material uses

The leaves are used for lining boxes, baskets, fruit drying racks etc and as a stuffing material in bedding[9][5][10].

A decoction of the rhizome treats dandruff[2].

Plants can be grown as a ground cover and are best spaced about 1 metre apart each way[11].

Unknown part

Medicinal uses(Warning!)

An infusion of the fronds has been used as a wash or poultice to treat boils and sores[7][10].

The young shoots have been chewed and eaten as a treatment for cancer of the womb and to treat sore throats and tonsillitis[10]. The leaves have been chewed by women to facilitate childbirth[10]. The sporangia have been crushed and applied as a poultice to burns, sores and boils[7][10].

A decoction of the rhizomes has been used in the treatment of dandruff[7][10].

Ecology

Ecosystem niche/layer

Soil surface

Ecological Functions

Ground cover

Forage

Nothing listed.

Shelter

Nothing listed.

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.

Practical Plants is currently lacking information on propagation instructions of Polystichum munitum. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Very hardy and easily grown in light shade in any reasonable soil[12]. Prefers a sandy humus-rich soil in a shady position that is moist even in winter[13]. Tolerates part sun for up to 6 hours a day if the soil remains moist[1]. It is possible that the var. imbricans will succeed in drier soils[K]. Prefers a pH in the range 6.5 to 7.5[1].

Members of this genus are rarely if ever troubled by browsing deer[14]. A very ornamental plant[13], it is a robust clump-forming species[12].

Remove old fronds from the plant in the spring because they may harbour fungal diseases[1].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Polystichum munitum. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Polystichum munitum.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Polystichum munitum
Genus
Polystichum
Family
Dryopteridaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
4
Heat Zone
?
Water
moderate
Sun
partial sun
Shade
permanent shade
Soil PH
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    Herbaceous or Woody
    ?
    Life Cycle
    ?
    Growth Rate
    ?
    Mature Size
    Fertility
    ?
    Pollinators
    ?
    Flower Colour
    ?
    Flower Type

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    "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki. "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki.


    "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki.

    "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki.

    "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki., "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki., "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki. "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki., "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki.

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    References

    1. ? 1.01.11.21.31.4 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    2. ? 2.02.12.2 Schofield. J. J. Discovering Wild Plants - Alaska, W. Canada and the Northwest. ()
    3. ? 3.03.1 Hedrick. U. P. Sturtevant's Edible Plants of the World. Dover Publications ISBN 0-486-20459-6 (1972-00-00)
    4. ? 4.04.1 Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing (1976-00-00)
    5. ? 5.05.15.25.3 Gunther. E. Ethnobotany of Western Washington. University of Washington Press ISBN 0-295-95258-X (1981-00-00)
    6. ? 6.06.1 Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture. ()
    7. ? 7.07.17.27.37.47.5 Weiner. M. A. Earth Medicine, Earth Food. Ballantine Books ISBN 0-449-90589-6 (1980-00-00)
    8. ? 8.08.18.2 Turner. N. J. Food Plants of Coastal First Peoples UBC Press. Vancouver. ISBN 0-7748-0533-1 (1995-00-00)
    9. ? 9.09.1 Turner. N. J. Plants in British Columbian Indian Technology. British Columbia Provincial Museum ISBN 0-7718-8117-7 (1979-00-00)
    10. ? 10.010.110.210.310.410.510.610.7 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
    11. ? 11.011.1 Thomas. G. S. Plants for Ground Cover J. M. Dent & Sons ISBN 0-460-12609-1 (1990-00-00)
    12. ? 12.012.1 Phillips. R. & Rix. M. Perennials Volumes 1 and 2. Pan Books ISBN 0-330-30936-9 (1991-00-00)
    13. ? 13.013.1 F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    14. ? Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. ISBN 0 460 86048 8 (1990-00-00)
    15. ? Hitchcock. C. L. Vascular Plants of the Pacific Northwest. University of Washington Press (1955-00-00)

    "image:Polystichum munitum (Jami Dwyer) 001.jpg|248px" cannot be used as a page name in this wiki.

    Facts about "Polystichum munitum"RDF feed
    Article is incompleteYes +
    Article requires citationsNo +
    Article requires cleanupYes +
    Belongs to familyDryopteridaceae +
    Belongs to genusPolystichum +
    Functions asGround cover +
    Has binomial namePolystichum munitum +
    Has common nameGiant Holly Fern +
    Has drought toleranceIntolerant +
    Has edible partRoot +
    Has edible useUnknown use +
    Has hardiness zone4 +
    Has imagePolystichum munitum (Jami Dwyer) 001.jpg +
    Has material partUnknown part +
    Has material useHair care + and Lining +
    Has mature height1 +
    Has mature width0.3 +
    Has medicinal partUnknown part +
    Has medicinal useAntidandruff +, Birthing aid + and Poultice +
    Has primary imagePolystichum munitum (Jami Dwyer) 001.jpg +
    Has search namepolystichum munitum + and giant holly fern +
    Has shade tolerancePermanent shade +
    Has soil ph preferenceAcid +, Neutral + and Alkaline +
    Has soil texture preferenceSandy + and Loamy +
    Has sun preferencePartial sun +
    Has taxonomic rankSpecies +
    Has taxonomy namePolystichum munitum +
    Has water requirementsmoderate +
    Inhabits ecosystem nicheSoil surface +
    Is deciduous or evergreenEvergreen +
    Is taxonomy typeSpecies +
    PFAF cultivation notes migratedNo +
    PFAF edible use notes migratedNo +
    PFAF material use notes migratedNo +
    PFAF medicinal use notes migratedNo +
    PFAF propagation notes migratedNo +
    PFAF toxicity notes migratedNo +
    Tolerates nutritionally poor soilNo +
    Uses mature size measurement unitMeters +
    Has subobjectThis property is a special property in this wiki.Polystichum munitum +, Polystichum munitum +, Polystichum munitum +, Polystichum munitum +, Polystichum munitum + and Polystichum munitum +