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Pteridium aquilinum esculentum - G.Forst.
                 
Common Name Bracken
Family Polypodiaceae
USDA hardiness 4-8
Known Hazards There are a number of reports regarding the possible health risks of this plant. The huge quantity of spores released by large areas of bracken are suggested to be implicated in stomach cancers. A recent study suggests that this is not such a problem in Britain as was once believed, the spores are not produced in such high quantities nor do they travel so far due to our normally humid atmosphere. The leaves and roots contain substances that deprive the body of vitamin B1 if they are eaten raw, though they are possibly alright cooked[102]. The leaves are also said to be carcinogenic[65, 76].
Habitats Forests, heaths and paddocks[193].
Range Australia - New South Wales, Queensland and Victoria. New Zealand.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun

Summary

Pteridium aquilinum esculentum Bracken


Pteridium aquilinum esculentum Bracken
   
Physical Characteristics
 icon of manicon of fern
Pteridium aquilinum esculentum is a FERN growing to 1.2 m (4ft).
It is hardy to zone (UK) 4. The seeds ripen from Jul to August. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid and neutral soils and can grow in very acid soils.
It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms
P. esculentum. Forst.f.

Habitats
Woodland Garden Dappled Shade; Shady Edge;
Edible Uses
Edible Parts: Leaves;  Root.
Edible Uses: Sweetener.

Root - rich in a white starch that can be eaten raw or cooked[193]. It can also be dried and ground into a powder[2, 13, 46, 55, 66, 94, 95, 102]. The root is very fibrous[173]. When dried, it will store for years[173]. The root contains 60% starch[74]. The dry weight content of starch is between 43 and 72%[173]. This starch can be extracted from the roots and is used in making dumplings which are eaten with soya flour and sugar as a delicacy[183]. Young shoots - raw or cooked[2, 13, 55, 62, 94, 102, 183]. They can be used like asparagus or like spinach[9]. Somewhat flavourless, though they are considered to be a delicacy in Japan[4]. The fronds should be used when less than 20cm long, longer ones have a terrible taste[9, 213]. The shoots are somewhat bitter so they are often blanched for a few minutes in boiling water, then left to soak in cold water for two hours before being cooked[4, 9]. Although this might well improve the flavour, it will greatly reduce the nutritional value[K]. The shoots should be steeped in lye first[55]. Occasional use should cause no problems, but regular consumption is not advisable because the shoots might be carcinogenic[9, 65]. The plant yields an edible saccharine substance[55]. (from the cooking root??).
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.

Anthelmintic;  Antiemetic;  Antirheumatic;  Diuretic;  Febrifuge;  Poultice.

The young shoots are diuretic, refrigerant and vermifuge[4, 46, 94, 218]. They have been eaten as a treatment for cancer[257]. The leaves have been used in a steam bath as a treatment for arthritis[257]. A decoction of the plant as been used in the treatment of tuberculosis[257]. A poultice of the pounded fronds and leaves has been used to treat sores of any type and also to bind broken bones in place[257]. The root is antiemetic, antiseptic, appetizer and tonic[257]. A tincture of the root in wine is used in the treatment of rheumatism[218]. A tea made from the roots is used in the treatment of stomach cramps, chest pains, internal bleeding, diarrhoea, colds and also to expel worms[4, 46, 94, 222, 257]. The poulticed root is applied to sores, burns and caked breasts[222, 257].
Other Uses
Adhesive;  Basketry;  Biomass;  Compost;  Dye;  Hair;  Lining;  Packing;  Repellent;  Soap;  Soap making;  Stuffing;  Tinder.

A glue can be made from the rootstock[74]. A brown dye is obtained from the fronds[6, 67, 141]. It is green according to another report[141]. The fibrous remnants from edible roots make a good tinder[99]. The rhizome lathers readily in water and can be used as a soap[74]. A decoction of the root has been used as a hair wash[257]. The roots have been rubbed into the scalp in order to promote hair growth[257]. The roots have been pounded to remove the bark, then split into flat bands and used as the black strands of cheap baskets[257]. The ashes of the plant are rich in potassium and could be used as a fertilizer[4]. They are also used in the manufacture of glass (when mixed with sand) and in making soap (when mixed with vegetable oil)[4, 74]. The roots contain up to 20% potash in early summer, but this reduces to about 5% in the autumn[4]. The whole plant is a very valuable addition to the compost heap, it is rich in potash and makes an excellent compost for tree seeds[67, 94]. Cut twice a year if you want the plants to continue growing, three cuts annually will weaken and eventually kill off the plants. The dried ferns produce a very durable thatch[4]. The leaves are used as a packing material for fruit, keeping it fresh and cool without imparting any colour or flavour[4, 66, 99]. They are also used as a lining for baskets, fruit drying racks etc and as a bedding[66, 99]. The leaves repel insects and can help to prevent rot in the fruits etc[99]. Dried bracken fronds are very useful in the garden as a mulch for somewhat tender plants. This will keep the soil warmer, protect from wind damage and also keep off some of the rain[4, K].
Cultivation details
Prefers a light, acid, deep sandy soil[1]. Dislikes shade according to some reports[13, 17] whilst another says that it tolerates full sun but prefers light shade[200]. Prefers a pH in the range 4 to 6[200]. Members of this genus are rarely if ever troubled by browsing deer[233]. This is an extremely invasive plant and is a noxious weed. Plants can be cut down twice a year to provide compost material, this will not kill the plants. If the plants are cut down three times a year this will gradually weaken and eventually kill them.
Propagation
Spores can be surface sown in the same way as other ferns but this plant really does not need any help in spreading itself about. Division is also possible but totally unnecessary in most circumstances.
Other Names
Found In
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
Pteridium aquilinumBracken, Western brackenfern, Decomposition brackenfern, Hairy brackenfern22
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G.Forst.
Botanical References
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Subject : Pteridium aquilinum esculentum  

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