Alexa wachenheimii
Benoist
Fabaceae
Common Name:
General Information
Alexa wachenheimii is a tree growing up to 25 metres or more tall. It has a few, thick, low buttresses[
422- Title
- Fruits of the Guianan Flora
- Publication
-
- Author
- van Roosmalen. M.G.M.
- Publisher
- Institute of Systematic Boyany, Utrecht University; Netherlands.
- Year
- 1985
- ISBN
- 90-9000988-4
- Description
- Terse descriptions of over 1,700 species from the Guianas that bear fruits - not necessarily edible! Often mentions if the fruit is edible, plus gives brief description of habit and habitat.
].
The tree is harvested from the wild for local use as a medicine and source of timber.
Alexa wachenheimii occurs in Guyana, Suriname and French Guiana. The species appears to be widespread in its natural range and no major threats are known at present. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[
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
None known
Botanical References
422- Title
- Fruits of the Guianan Flora
- Publication
-
- Author
- van Roosmalen. M.G.M.
- Publisher
- Institute of Systematic Boyany, Utrecht University; Netherlands.
- Year
- 1985
- ISBN
- 90-9000988-4
- Description
- Terse descriptions of over 1,700 species from the Guianas that bear fruits - not necessarily edible! Often mentions if the fruit is edible, plus gives brief description of habit and habitat.
Range
S. America - Guyana, Surinam, French Guyana
Habitat
Swamp evergreen forests and in swampy places on granite soils, sometimes in rain forests[
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.
,
422- Title
- Fruits of the Guianan Flora
- Publication
-
- Author
- van Roosmalen. M.G.M.
- Publisher
- Institute of Systematic Boyany, Utrecht University; Netherlands.
- Year
- 1985
- ISBN
- 90-9000988-4
- Description
- Terse descriptions of over 1,700 species from the Guianas that bear fruits - not necessarily edible! Often mentions if the fruit is edible, plus gives brief description of habit and habitat.
].
Properties
| Conservation Status | Least Concern |
| Medicinal Rating |  |
| Other Uses Rating |  |
| Habit | Tree |
| Height | 20.00 m |
| Cultivation Status | Wild |
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[
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.
].
Edible Uses
None known
Medicinal
A decoction of the bark is used as an external wash to remedy fevers[
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
The wood of several species in this genus appears to be suitable for interior construction and carpentry, but has little commercial possibilities[
1309- Title
- The Leguminosae; A Source Book of Characteristics, Uses and Nodulation
- Publication
-
- Author
- Allen O.N.; Allen E.K.
- Publisher
- University of Wisconsin
- Year
- 1981
- ISBN
- 0-333-32221-5
- Description
- An amazing and comprehensive work, giving a brief guide to the many genera of the family Fabaceae and also the principle uses of the genus.
].
We have no specific information on the wood of this species, but it is likely to be similar to other members of the genus. The following description is for Alexa imperatricis[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
The heartwood is nearly colourless to brownish yellow, but occasionally somewhat darker; it is not readily separated from the thick, dingy white sapwood. The grain is straight; texture rather coarse; lustre is medium to low; seasoned wood is odourless and tasteless[
378- Title
- Present and Potential Commercial Timbers of the Caribbean
- Publication
- USDA Agricultural Handbook No. 207
- Author
- Longwood.F.R.
- Publisher
- USDA Forest Service; Washington, DC.
- Year
- 1962
- ISBN
-
- Description
- Quite detailed information on more than 60 species of Caribbean timber trees, giving species descriptions, habitat, detailed info on the wood and some info on other uses. Available for download on the internet.
]. The wood is light in weight, moderately strong, highly resistant to decay, although the freshly cut logs are very susceptible to damage by pinhole borers[
378- Title
- Present and Potential Commercial Timbers of the Caribbean
- Publication
- USDA Agricultural Handbook No. 207
- Author
- Longwood.F.R.
- Publisher
- USDA Forest Service; Washington, DC.
- Year
- 1962
- ISBN
-
- Description
- Quite detailed information on more than 60 species of Caribbean timber trees, giving species descriptions, habitat, detailed info on the wood and some info on other uses. Available for download on the internet.
]. It is considered to work easily and finish satisfactorily[
378- Title
- Present and Potential Commercial Timbers of the Caribbean
- Publication
- USDA Agricultural Handbook No. 207
- Author
- Longwood.F.R.
- Publisher
- USDA Forest Service; Washington, DC.
- Year
- 1962
- ISBN
-
- Description
- Quite detailed information on more than 60 species of Caribbean timber trees, giving species descriptions, habitat, detailed info on the wood and some info on other uses. Available for download on the internet.
]. The wood is suitable for interior construction, boxes, crating, general construction, plywood etc. In a region where heavy, hard, strong woods predominate, a wood such as this should be readily accepted for many uses to which these other woods are not suited. In many places, it could replace the imported pines and Douglas-fir[
378- Title
- Present and Potential Commercial Timbers of the Caribbean
- Publication
- USDA Agricultural Handbook No. 207
- Author
- Longwood.F.R.
- Publisher
- USDA Forest Service; Washington, DC.
- Year
- 1962
- ISBN
-
- Description
- Quite detailed information on more than 60 species of Caribbean timber trees, giving species descriptions, habitat, detailed info on the wood and some info on other uses. Available for download on the internet.
].
Propagation
Seed -
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Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
