Pityrogramma calomelanos
(L.) Link
Pteridaceae
Acrostichum calomelanos L.
Ceropteris calomelanos (L.) Link
Gymnogramma ochracea C.Presl
Pityrogramma austroamericana Domin
Common Name:
Plant growing on disturbed soil beside a mountain track, near Louwsburg, South Africa, where it is not a native species
Photograph by: JMK
General Information
Pityrogramma calomelanos is a fern growing about 40cm tall.
The leaves have been used locally for medicinal purposes.
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
Range
S. America - Argentina, Paraguay; north through most of S. America, Central America and Caribbean
Habitat
Found at elevations from sea level to 2,500 metres in Ecuador.
Properties
| Weed Potential | Yes |
| Medicinal Rating |  |
| Habit | Fern |
| Height | 0.40 m |
| Cultivation Status | Wild |
Cultivation Details
A plant of low to moderate elevations in the tropics, it can also be grown in the subtropics.
The plant has become an invasive weed in several parts of the Tropics[
].
Edible Uses
None known
Medicinal
The leaves are used externally to heal wounds and stop bleeding[
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.
].
An infusion of the whole plant is used to 'strengthen men's backs', i.e., to increase male sexual stamina, and to treat female haemorrhaging. An aqueous extract is drunk or applied locally to treat venereal disease in Guyana[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
]. It is also used for asthma, cough, cold, pneumonia, tuberculosis, and whooping cough[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
].
The root is bechic[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
]. An infusion is used to treat pulmonary conditions[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
].
An infusion of the leaves is used in the treatment of bronchitis, colds and stomach pains[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
].
The leaves are crushed and used as a poultice to promote the healing of ulcers, wounds and cuts[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
]. They (or the leaf juice) are also placed on wounds to stop bleeding[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
].
The plant contains the sesquiterpene lactones pterosin (which is reportedly antibiotic) and calomelanolactone[
348- Title
- Medicinal Plants of the Guianas
- Publication
-
- Author
- DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
- Website
- http://botany.si.edu/bdg/medicinal/index.html
- Publisher
- Smithsonian Museum
- Year
- 0
- ISBN
-
- Description
- A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
].
Other Uses
None known
Propagation
Spores -
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Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
