If you would like to support this site, please consider Donating.
Useful Tropical Plants

Asplenium trichomanes

L.

Aspleniaceae


Asplenium trichomanes is often circumscribed as a collective species consisting of various cytotypes (six distinct taxa are known from central and souther Europe, for example). These taxa, which for convenience are often recognized at the subspecific level, are reproductively isolated (producing sterile hybrids when growing together)[
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.
]. Different authors have treated them in different ways, but they can all be used interchangeably. Where known, we have included these names in the list of synonyms[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Asplenium densum Brack.

Asplenium melanocaulon Willd.

Chamaefilix trichomanes (L.) Farw.

Asplenium trichomanes coriaceifolium Rasbach & al.

Asplenium trichomanes hastatum (H.Christ) S.Jess.

Asplenium trichomanes inexpectans Lovis

Asplenium trichomanes maderense Gibby & Lovis

Asplenium trichomanes pachyrachis (H.Christ) Lovis & Reichst.

Asplenium trichomanes quadrivalens D.E.Mey.

Common Name: Maidenhair Spleenwort

Asplenium trichomanes
Growing out of gaps in walls
Photograph by: HenkvD
Creative Commons Attribution-Share Alike 3.0
Asplenium trichomanes Asplenium trichomanes Asplenium trichomanes Asplenium trichomanes

General Information

Asplenium trichomanes is an evergreen fern with fronds up to 30cm long growing from a short and erect or ascending to creeping rhizome[
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 is sometimes harvested from the wild for local us as a tea and medicine.

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
 
Year
 
ISBN
 
Description
A nice guide to some useful plants in that area.
].

Botanical References

17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no pictures.
,
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

Most temperate regions of the world, including Britain, mountains in the Tropics.

Habitat

Walls and crevices of mainly basic rocks[
17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no pictures.
].

Properties

Edibility Rating *
Medicinal Rating *  *
HabitEvergreen Fern
Height0.25 m
Cultivation StatusWild

Cultivation Details

A plant widely spread through the temperate zone, it is also found at higher elevations in some areas of the tropics. Plants are hardy to about -30°c[
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 a well-drained position and lots of old mortar rubble in the soil[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
]. Requires a humid atmosphere and some shade[
28
Title
Plants for Shade.
Publication
 
Author
Knight. F. P.
Publisher
Royal Horticultural Society.
Year
1980
ISBN
0-900629-78-9
Description
A small but informative booklet listing plants that can be grown in shady positions with a few cultivation details.
,
31
Title
Shade Plants for Garden and Woodland.
Publication
 
Author
Brown.
Publisher
 
Year
 
ISBN
 
Description
 
]. A good plant for growing on a shady part of an old dry-stone or brick wall[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Members of this genus are rarely if ever troubled by browsing deer[
233
Title
Perennial Garden Plants
Publication
 
Author
Thomas. G. S.
Publisher
J. M. Dent & Sons, London.
Year
1990
ISBN
0 460 86048 8
Description
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
].

Edible Uses

The dried fronds have been used as a tea substitute[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
].

Medicinal

A tea made from the fronds is sweet, demulcent, expectorant and laxative[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
,
240
Title
Glossary of Indian Medicinal Plants (Including the Supplement).
Publication
 
Author
Chopra. R. N., Nayar. S. L. and Chopra. I. C.
Publisher
Council of Scientific and Industrial Research, New Delhi.
Year
1986
ISBN
-
Description
Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
]. It has been used in the treatment of chest complaints[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
] and to promote menstruation[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].

Considered a laxative and anthelmintic. The leaves are sweet, mucilaginous, and are an expectorant highly useful in the treatment of pulmonary disorders[
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.
].

Other Uses

None known

Propagation

Spores - best sown as soon as they are ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. The spores usually germinate in the spring[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
]. Spring sown spores germinate in 1 - 3 months at 15°c[
134
Title
Growing from Seed. Volume 2.
Publication
 
Author
Rice. G. (Editor)
Publisher
Thompson and Morgan.
Year
1988
ISBN
-
Description
Very readable magazine with lots of information on propagation. An interesting article on Ensete ventricosum.
]. Pot on small clumps of plantlets as soon as they are large enough to handle and grow them on in light shade in a greenhouse. Keep the plants humid until they are well established. Once the plants are 15cm or more tall, plant them out into their permanent positions in the spring.

Add a Comment:

If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.