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Useful Tropical Plants

Swartzia amplifolia

Harms

Fabaceae

+ Synonyms

Common Name: Macuna

No Image.

General Information

Swartzia amplifolia is a shrub or a tree with a conical or spreading crown; it can grow 5 - 12 metres tall. The straight, cylindrical bole is around 18cm in diameter. It sometimes branches from low down, or can be unbranched for up to 5 metres[
453
Title
Woods of Northeastern Peru
Publication
 
Author
Williams L.
Website
http://www.biodiversitylibrary.org/
Publisher
Field Museum Press; Chicago.
Year
1936
ISBN
 
Description
Gives information on the properties of the wood of well over 1,000 species of woody plants from northeastern Peru. Can be downloaded from the Internet.
].
The tree is harvested from the wild for local use of its wood.
Swartzia amplifolia appears to be widespread in its natural range at present and with no major threats known to affect the species, the population is believed to be stable. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2012)[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Known Hazards

The sawdust from wood of plants in this genus can be irritating to mill workers[
316
Title
Tropical Timbers of the World. Ag. Handbook No. 607.
Publication
 
Author
Chudnoff. Martin.
Publisher
USDA Forest Service. Wisconsin.
Year
1984
ISBN
 
Description
Terse details on the properties of the wood of almost 400 species of trees from the Tropics.
].

Botanical References

453
Title
Woods of Northeastern Peru
Publication
 
Author
Williams L.
Website
http://www.biodiversitylibrary.org/
Publisher
Field Museum Press; Chicago.
Year
1936
ISBN
 
Description
Gives information on the properties of the wood of well over 1,000 species of woody plants from northeastern Peru. Can be downloaded from the Internet.

Range

S. America - Peru, Ecuador, Colombia, Venezuela.

Habitat

Open dry patches, or along the margins of forests at elevations around 150 metres[
453
Title
Woods of Northeastern Peru
Publication
 
Author
Williams L.
Website
http://www.biodiversitylibrary.org/
Publisher
Field Museum Press; Chicago.
Year
1936
ISBN
 
Description
Gives information on the properties of the wood of well over 1,000 species of woody plants from northeastern Peru. Can be downloaded from the Internet.
]. Dense rainforest, and also the more open, secondary formations, often along rivers, usually at low elevations, but to 2,100 metres in Colombia[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Properties

Conservation StatusLeast Concern
Other Uses Rating *  *
HabitTree
Height7.00 m
Cultivation StatusWild

Cultivation Details



This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[].

Edible Uses

None known

Medicinal

None known

Other Uses

The heartwood is brown; the sapwood creamy yellow with violet or dark brown streaks, in some specimens turning to light greyish brown on exposure. The texture is medium, grain is straight, seasoned wood odourless and tasteless. The wood is of fairly light to medium weight. It is not difficult to work, takes a fairly smooth finish, and holds its place well[
453
Title
Woods of Northeastern Peru
Publication
 
Author
Williams L.
Website
http://www.biodiversitylibrary.org/
Publisher
Field Museum Press; Chicago.
Year
1936
ISBN
 
Description
Gives information on the properties of the wood of well over 1,000 species of woody plants from northeastern Peru. Can be downloaded from the Internet.
].
We have no more information on the wood of this species. However, a general description of the wood from plants in this genus is as follows:-
The heartwood is dark brown, reddish-brown, or nearly black, in solid colour or somewhat variegated; it is sharply demarcated from the nearly white to yellowish sapwood. The texture is very fine to medium; the grain straight to irregular; lustre is usually medium; there is no distinctive odour or taste. The heartwood is very resistant to attack by decay fungi and resistant to dry-wood termites, though it is not resistant to marine borers. The wood is generally reported to be moderately difficult to air dry because of checking and warp. It is difficult to work because of its high density, but it finishes very smoothly and takes a high polish. It is used for purposes such as inlay, parquet flooring, turnery, furniture, cabinetwork, violin bows, specialty items; and has been suggested as a substitute for ebony[
316
Title
Tropical Timbers of the World. Ag. Handbook No. 607.
Publication
 
Author
Chudnoff. Martin.
Publisher
USDA Forest Service. Wisconsin.
Year
1984
ISBN
 
Description
Terse details on the properties of the wood of almost 400 species of trees from the Tropics.
].

Propagation

Seed -
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-07-22. <tropical.theferns.info/viewtropical.php?id=Swartzia+amplifolia>

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