Helminthostachys zeylanica
Helminthostachys zeylanica
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
Flowering fern is a terrestrial fern, with a thick, slowly creeping rhizome. It sends up a number of often widely spaced stems growing from 15 - 40cm tall[ 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. , 286 Title Flora of Australia Publication Author Website http://www.anbg.gov.au/abrs/abif/flora/ Publisher Year 0 ISBN Description The full information from the Flora of Australia - on-line. An excellent resource. ]. The rhizome is harvested from the wild for medicinal use, and is sometimes exported to China[ 46 Title Dictionary of Economic Plants. Publication Author Uphof. J. C. Th. Publisher Weinheim Year 1959 ISBN - Description An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader. ]. The plant is also grown as an ornamental in gardens[ 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. ]. Helminthostachys zeylanica is a rare, endangered species in China because of over-collecting for use in traditional medicine and because of habitat change[ 266 Title Flora of China Publication Author Website http://flora.huh.harvard.edu/china/ Publisher Missouri Botanical Garden Press; St. Louis. Year 1994 ISBN Description An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available. ].