Adiantum pedatum
Adiantum pedatum
Safety & Hazards
Although we have found no reports of toxicity for this species, a number of ferns contain carcinogens so some caution is advisable[ 200 Title The New RHS Dictionary of Gardening. 1992. Publication Author Huxley. A. Publisher MacMillan Press Year 1992 ISBN 0-333-47494-5 Description Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed. ]. 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 Title Discovering Wild Plants - Alaska, W. Canada and the Northwest. Publication Author Schofield. J. J. Publisher Alaska Northwest Books; Alaska Year 2003 ISBN 0882403699 Description A nice guide to some useful plants in that area. ].
Botanical Description
Adiantum pedatum is a deciduous fern producing a cluster of fronds 40 - 75cm tall from a shortly-creeping rhizome that, in time can form large clumps. The fronds are lax-arching or pendent, often densely clustered[ 270 Title Flora of N. America Publication Author Website http://flora.huh.harvard.edu/fna/ Publisher Year 0 ISBN Description An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses. ]. The plant is harvested from the wild for local use as a medicine and source of materials. A very ornamental plant, it is often grown in gardens.