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Useful Tropical Plants

Vataireopsis araroba

(Aguiar) Ducke

Fabaceae

+ Synonyms

Andira araroba Aguiar

Vouacapoua araroba (Aguiar) Lyons

Common Name: Araroba

No Image.

General Information

Araroba is a deciduous tree with a small, globose crown; it can grow 20 - 35 metres tall. The straight, cylindrical bole can be 60 - 90cm in diameter[[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].
The tree yields araroba, a powder obtained from the wood, that has medicinal applications. It is gathered from the wild and exported from Brazil, whilst the tree is also cultivated for this powder in southern India[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
]. The wood is also used locally and exported.

Known Hazards

Some caution is advised in the medicinal use of this plant. It should not be taken internally and, since it is readily absorbed through the skin, it should only be used externally in small quantities. It can be severely irritating to the skin and mucous membranes whilst as little as 10 mg absorbed by the body has been associated with vomiting, diarrhoea and kidney inflammation.
The sawdust may cause allergies to people working in sawmills[
386
Title
Forest Stewardship Council.
Publication
 
Author
 
Website
http://www.fsc.dk/index.php?id=256&PHPSESSID=367043b95e93a891cf96369e9264cd03
Publisher
 
Year
0
ISBN
 
Description
The site contains information on the properties of some less well-known tropical timbers. The Forest Stewardship Council works actively to protect tropical forests by encouraging sustainable harvesting of the trees.
].

Botanical References


Range

S. America - eastern Brazil.

Habitat

Mainly found in primary rainforest on gentle, well-drained slopes[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

Properties

Medicinal Rating *  *  *
Other Uses Rating *  *  *
HabitDeciduous Tree
Height30.00 m
Cultivation StatusCultivated, Wild

Cultivation Details


Succeeds in sun or light shade[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
]. Found in the wild on clayey or sandy, well-drained soils[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
]. Established plants are drought resistant[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].
Although many species within the family Fabaceae have a symbiotic relationship with soil bacteria, this species is said to be devoid of such a relationship and therefore does not fix atmospheric nitrogen[
755
Title
Nodulation Plants in GRIN Taxonomy
Publication
 
Author
 
Website
http://www.ars-grin.gov/~sbmljw/cgi-bin/taxnodul.pl?language=en
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database listing plants that have either positive or negative reports on root and stem nodulation with nitrogen-fixing bacteria.
].

Edible Uses

None known

Medicinal

Araroba is a powder found deposited in the wood of this tree as the result of the oxidation of resin. Its active principle is Chrysarobin or Chrysophanic acid, and it has been shown to be an effective treatment for a range of skin conditions, including ringworm, fungal infections and psoriasis[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
,
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
,
615
Title
Pharmacographia Indica
Publication
 
Author
Dymock W.; Warden C.J.H.; Hooper D.
Website
http://www.biodiversitylibrary.org
Publisher
Education Society's Press, Byculla; Mombai.
Year
1890
ISBN
 
Description
Information on the principal plant medicines encountered in India in the 19th century.
]. The powder is also laxative[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].
Araroba is contained in the large porous vessels and in clefts or cavities which traverse the wood in direction of the diameter, and are prolonged through the entire trunk; it is obtained by cutting down the tree, splitting the trunk, and scraping the powder from the clefts[
615
Title
Pharmacographia Indica
Publication
 
Author
Dymock W.; Warden C.J.H.; Hooper D.
Website
http://www.biodiversitylibrary.org
Publisher
Education Society's Press, Byculla; Mombai.
Year
1890
ISBN
 
Description
Information on the principal plant medicines encountered in India in the 19th century.
].
Chrysobasin, also called Goa powder, which is obtained from the bark, is antiparasitic and irritant[
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 in the treatment of skin problems[
307
Title
Tropical and Subtropical Trees - A Worldwide Encyclopaedic Guide.
Publication
 
Author
Barwick. M.
Publisher
Thames & Hudson, London
Year
2004
ISBN
0-500-51181-0
Description
A superb book, very concise and well written, giving a wealth of information on 400 or more species including descriptions, habitat, cultivation details and plant uses. A wealth of colour photographs bring each plant vividly to life.
].

Other Uses

Chrysobasin, also called Goa powder, is obtained from the bark[
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 has fungicidal properties[
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 heartwood is bright yellow when freshly sawn, becoming light brown to dark brown or red brown upon exposure to air; it is clearly demarcated from the 4 - 7cm wide band of sapwood. The texture is coarse; the grain straight or slightly interlocked. The wood is moderately heavy to heavy; varying from soft to hard; elastic; moderately durable, being resistant to dry wood borers and moderately resistant to fungi and termites. It seasons fairly quickly with only a slight risk of checking and distortion; once dry it is moderately stable to stable in service. There is quire a high blunting efect, stellite-tipped and tungsten carbide tools are recommended; it planes easily; nailing and screwing are good, but require pre-boring; gluing is correct. The wood can be used for making high class furniture, stairs, panelling, flooring, sliced veneer, industrial or heavy flooring, joinery, formwork, exterior joinery, heavy carpentry, bridge building, stakes, fence posts etc[
386
Title
Forest Stewardship Council.
Publication
 
Author
 
Website
http://www.fsc.dk/index.php?id=256&PHPSESSID=367043b95e93a891cf96369e9264cd03
Publisher
 
Year
0
ISBN
 
Description
The site contains information on the properties of some less well-known tropical timbers. The Forest Stewardship Council works actively to protect tropical forests by encouraging sustainable harvesting of the trees.
,
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
,
848
Title
Tropix 7
Publication
 
Author
 
Website
http://tropix.cirad.fr/en
Publisher
CIRAD
Year
0
ISBN
 
Description
An on-line guide to the timbers of 245 species of trees.
].

Propagation

Seed - best sown as soon as it is ripe[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
]. Since it is very difficult to extract them, the seeds can be sown with their pods. Sow them in a nursery seedbed or in individual containers. A germination rate in excess of 50% can be expected within 2 - 3 weeks[
420
Title
Brazilian Trees. Volume 2. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-15-1
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

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