Sadleria cyatheoides
Kaulf.
Blechnaceae
Common Name:
Cultivated plant in Lyon Arboretum, Hawaii, USA
Photograph by: Daderot
Public domain
General Information
Sadleria cyatheoides is an evergreen tree fern with rhizomes to 1.5 metres or more and fronds up to 90cm long[
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.
].
The plant yields a dye, material for thatch, traditional medicinal uses and is also a famine food. A very ornamental plant, often grown in gardens.
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.
Range
Pacific - Hawaii.
Habitat
Rainforests and exposed sites on lava flows[
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.
]. Most often in open to shady forests at elevations up to 610 metres; occasionally in subalpine scrub[
].
Properties
| Edibility Rating |  |
| Medicinal Rating |  |
| Other Uses Rating |  |
| Habit | Evergreen Fern |
| Height | 2.50 m |
| Cultivation Status | Ornamental, Wild |
Cultivation Details
The plant can tolerate occasional temperatures down to freezing without any check to its growth[
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.
]. It can probably survive even lower temperatures, but perhaps with a growth check[
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.
].
Prefers a position in partial 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.
]. Requires an acid soil[
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.
].
Edible Uses
The starchy inner part of the trunk is cooked and eaten in times of famine[
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.
,
].
Young leaves - cooked[
].
Medicinal
The plant has a range of medicinal uses[
].
Agroforestry Uses:
The fronds are used as a mulch[
].
Other Uses
A red dye is obtained from the trunk fibres[
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.
,
]. It is used for dyeing kapa cloth[
].
The fronds are used for the final thatching of buildings[
].
The leafstalks are beaten and used as sizing (with bark) in making kapa cloth[
].
Propagation
Spores -
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Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
