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Dryopteris oreades Mountain male fern (1 Page of 5) The Dryopteris oreades plant species is found in Britain. It is a member of the Dryopteridaceae family. Common gardeners may know the plant as Mountain male fern. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Dryopteris oreades Common Name: Mountain male fern Family: Dryopteridaceae Author: Fomin. Known Hazards: Although we have found no reports for this species, a number of ferns contain carcinogens so some caution is advisable[200].
The fresh plant contains 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]. However, there have been reports for other species of ferns suggesting that even cooked fronds can have a long term harmful effect. Some caution is therefore advised. Mature Height: 0.6 Mature Width: 0.5 Habitat: Rocky places on mountains, in open or slight shade, scree slopes.
Propagation Notes: Spores - can be sown at any time of the year in a greenhouse. Surface sow on a sterilised compost and keep moist, possibly by placing the pot in a plastic bag. Germinates in 1 - 3 months at 20°c. Pot up small clumps of the plants when they are large enough to handle and grow on in a shady part of the greenhouse until large enough to plant out.
Division in spring. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.
For further Dryopteris oreades 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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