Pteris ensiformis
Burm.f.
Pteridaceae
Pteris serrulata obtusata H.Christ
Common Name: Sword Brake
General Information
Sword brake is a fern growing 30 - 50cm tall with a short, creeping rhizome[
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.
].
The plant is sometimes harvested from the wild for local use as a food and medicine. It is often 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.
].
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- 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 References
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.
,
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.
Range
E. Asia - China, Japan, India, Sri Lanka, Thailand, Laos, Cambodia, Vietnam, Malaysia, Indonesia, New Guinea, Australia.
Habitat
Wet, acidic soils in forests, stream margins, at elevations from 100 - 1,000 metres in southern China[
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.
].
Properties
| Edibility Rating |  |
| Medicinal Rating |  |
| Habit | Fern |
| Height | 0.30 m |
| Cultivation Status | Ornamental, Wild |
Cultivation Details
Prefers a position in bright, filtered sunlight, though it also succeeds in quite deep shade[
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.
,
423- Title
- Desert Tropicals
- Publication
-
- Author
-
- Website
- http://www.desert-tropicals.com/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- The main focus of the site is succulent plants, but it also contains information on a wide range of other species. Usually at least one good photograph, plus basic information about the plant and its cultivation.
].
Edible Uses
The young, uncurling fronds are steamed and eaten as a side dish with rice, mixed with other vegetables or added to stews[
301- Title
- Cornucopia II
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications, California.
- Year
- 1998
- ISBN
- 0-9628087-2-5
- Description
- The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].
Medicinal
The juice of the young plant is stated to possess astringent properties[
686- Title
- American Fern Journal Vol.60
- Publication
-
- Author
-
- Website
- http://www.biodiversitylibrary.org
- Publisher
- American Fern Society
- Year
- 1970
- ISBN
-
- Description
- Contains an article on the medicinal uses of Indian ferns. It can be downloaded from the Internet.
].
A decoction of fresh fronds is given in dysentery[
686- Title
- American Fern Journal Vol.60
- Publication
-
- Author
-
- Website
- http://www.biodiversitylibrary.org
- Publisher
- American Fern Society
- Year
- 1970
- ISBN
-
- Description
- Contains an article on the medicinal uses of Indian ferns. It can be downloaded from the Internet.
].
The juice of the rhizome is applied in the glandular swelling of the neck[
686- Title
- American Fern Journal Vol.60
- Publication
-
- Author
-
- Website
- http://www.biodiversitylibrary.org
- Publisher
- American Fern Society
- Year
- 1970
- ISBN
-
- Description
- Contains an article on the medicinal uses of Indian ferns. It can be downloaded from the Internet.
].
Agroforestry Uses:
The plants are indicators of acidic soils, with a pH of 4.5 - 5.0[
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.
].
Other Uses
None known
Propagation
Spores are a simple method of propagation, with plants reaching maturity within one year[
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.
].
Division. The plants can be slow to settle down afterwards[
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.
].
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Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
