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Adiantum venustum

Common name:		Family:	Polypodiaceae
Author:	D.Don.	Botanical references:	200
Synonyms:
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]. 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].
Range:	E. Asia - Himalayas.
Habitat:	Rock crevices and on forest slopes, 1700 - 2200 metres in Kashmir[145]. Moist, shady, rocky places in Nepal at elevations of 300 - 3,600 metres[272].
Edibility Rating (1-5):	0	Medicinal Rating (1-5):	1

Epithets:	From a Dictionary of Botanical Epithets
	venustum = charming
Systematics:	From a USDA Plants Database
	Order: Polypodiales. Polypody family
Other Range Info:	From the Ethnobotany Database
	India

Physical Characteristics

An evergreen fern growing to 0.25m by 0.3m . It is hardy to zone 9. It is in leaf all year. We rate it 0/5 for edibility and 1/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland). It requires moist soil.

Habitats and Possible Locations

Woodland, Dappled Shade, Shady Edge, Ground Cover.

Edible Uses

None known

Medicinal Uses

Disclaimer

Astringent Diuretic Emetic Emmenagogue Expectorant Resolvent Tonic.

The fronds are astringent, diuretic, emetic, emmenagogue, expectorant, resolvent and tonic[240] They are used in the treatment of headaches and scorpion stings[145, 240].
A paste made from the rhizomes is used in Nepal to treat cuts and wounds[272].

Other Uses

Ground cover.

This species can be grown as a ground cover plant in a shady position[188], forming a spreading carpet of growth[208].

Cultivation details

Requires an abundance of moisture in the air and soil[1]. Prefers an alkaline soil[200]. Requires an acid soil in another report. Plants are quick to establish on peat banks or in rock crevices in light shade or, if the soil is not too dry, under trees[187].
A very ornamental plant, it is nearly hardy in sheltered places in Britain, though is more normally grown in a greenhouse[1].
Members of this genus are rarely if ever troubled by browsing deer[233].

Propagation

Spores - best sown as soon as ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. Pot on small clumps of plantlets as soon as they are large enough to handle and keep them humid until they are well established. Do not plant outside until the ferns are at least 2 years old and then only in a very well sheltered position.
Division in spring or autumn.

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

PFAF Web Pages

This plant is mentioned in the following web pages

Web References

[E] Ethnobotany Data (common names, uses, countries) from the Ethnobotany Database.
[G] Data (Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.
[HP] Links, Photos, Suppliers from Hortiplex Plant Database

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[145] Singh. Dr. G. and Kachroo. Prof. Dr. P. Forest Flora of Srinagar. Bishen Singh Mahendra Pal Singh 1976
A good flora of the western Himalayas but poorly illustrated. Some information on plant uses.

[172] Schofield. J. J. Discovering Wild Plants - Alaska, W. Canada and the Northwest.
A nice guide to some useful plants in that area.

[187] Phillips. R. & Rix. M. Perennials Volumes 1 and 2. Pan Books 1991 ISBN 0-330-30936-9
Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.

[188] Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. 1990 ISBN 0-86318-386-7
Excellent range of photographs, some cultivation details but very little information on plant uses.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[208] Thomas. G. S. Plants for Ground Cover J. M. Dent & Sons 1990 ISBN 0-460-12609-1
An excellent detailled book on the subject, very comprehensive.

[233] Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. 1990 ISBN 0 460 86048 8
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.

[240] Chopra. R. N., Nayar. S. L. and Chopra. I. C. Glossary of Indian Medicinal Plants (Including the Supplement). Council of Scientific and Industrial Research, New Delhi. 1986
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.

Readers Comments

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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
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