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Adiantum pedatum Northern Maidenhair (1 Page of 5) The Adiantum pedatum plant species is found in N. America - Alaska to Quebec and Nova Scotia, south to California and Georgia. E. Asia It is a member of the Polypodiaceae family. Common gardeners may know the plant as Northern Maidenhair. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Adiantum pedatum Common Name: Northern Maidenhair Family: Polypodiaceae Author: L. 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]. Mature Height: 0.45 Mature Width: 0.45 Habitat: Moist woods from lowland to middle altitudes in the mountains of Western N. America[60].
Medicinal Information: The whole plant is considered to be antirheumatic, astringent, demulcent, emmenagogue, expectorant, febrifuge, haemostatic, pectoral and tonic[172, 222, 240]. A tea or syrup is used in the treatment of nasal congestion, asthma, sore throats etc[222]. A decoction of the root was massaged into rheumatic joints[257]. The N. American Indians chewed the fronds and then applied them to wounds to stop bleeding[213].
A strong infusion of the whole plant was has been used as an emetic in the treatment of ague and fevers[257].
This plant was highly valued as a medicinal plant in the 19th century and merits scientific investigation[222].
For further Adiantum pedatum gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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