Crotalaria uncinella
Lam.
Fabaceae
Crotalaria elliptica Roxb.
Crotalaria fischer Taub.
Crotalaria madecassa R.Vig.
Crotalaria vachelli Hook. & Arn.
Common Name:
General Information
Crotalaria uncinella is a shrub growing 0.5 - 3 metres tall, occasionally reaching 5 metres[
328- Title
- African Flowering Plants Database
- Publication
-
- Author
-
- Website
- http://www.ville-ge.ch/musinfo/bd/cjb/africa/recherche.php
- Publisher
- Conservatoire et Jardin Botaniques.
- Year
- 0
- ISBN
-
- Description
- Contains information on over 150,000 plant names (including synonyms) giving a description and habitat, plus a distribution map.
].
The plant is harvested from the wild for local use as a medicine.
Known Hazards
No specific mention of toxicity has been seen for this species, but many members of this genus are known to contain pyrrolizidine alkaloids, the most potent of which in this genus are monocrotaline, retrorsine and retronecine[
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.
]. These alkaloids have a cumulative effect upon the body and, unless concentrations in a plant are high, occasional consumption is generally completely safe. Pyrrolizidine alkaloids are derived from amino acids including ornithine. Many of these alkaloids have pronounced hepatic toxicity, but the lungs and other organs may be affected as well. Mutagenic and carcinogenic activities of pyrrolizidine alkaloids have also been reported[
299- Title
- Protabase - Plant Resources of Tropical Africa.
- Publication
-
- Author
-
- Website
- http://www.prota.org
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
Botanical References
1343- Title
- Crotalaria L. (Fabaceae: Faboideae) in continental Southeast Asia
- Publication
- Phytotaxa 320 (1): 001-074
- Author
- Ninkaew S.; Balslev H.; Pornpongrungrueng P.; Chantaranothai
- Publisher
-
- Year
- 2017
- ISBN
- 978-1-77670-218-3
- Description
-
Range
Eastern tropical Africa - Tanzania, Mozambique, Madagascar
Habitat
Forest margins, rocky peaks and outcrops; upland grassland; at elevations from 450 - 1,100 metres[
328- Title
- African Flowering Plants Database
- Publication
-
- Author
-
- Website
- http://www.ville-ge.ch/musinfo/bd/cjb/africa/recherche.php
- Publisher
- Conservatoire et Jardin Botaniques.
- Year
- 0
- ISBN
-
- Description
- Contains information on over 150,000 plant names (including synonyms) giving a description and habitat, plus a distribution map.
].
Properties
| Medicinal Rating |  |
| Habit | Shrub |
| Height | 0.00 m |
| Pollinators | Insects |
| Cultivation Status | Wild |
Cultivation Details
Plants in this genus generally prefer a sunny position, succeeding in dry to moist, well-drained soils[
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.
].
We have no specific report for this species, but most species in this genus have 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[
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
The leaves and the stems are used in the treatment of dysentery[
565- Title
- Madagascar. An Environmental Profile.
- Publication
-
- Author
- Jenkins M.D. (Editor)
- Publisher
- World Conservation Monitoring Centre; Cambridge.
- Year
- 1987
- ISBN
- 2-88032-607-9
- Description
- Contains a list of the Ethnobotanical uses of Madagascar plants.
].
Other Uses
None known
Propagation
Seed - stored seed has a hard seedcoat and can benefit from scarification before sowing in order to speed up and improve germination[
397- Title
- Australian Native Plants Society
- Publication
-
- Author
-
- Website
- http://anpsa.org.au/index.html
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A series of fact sheets on Australian plants. Good photographs, brief description and information on uses, habitat, range, cultivation etc.
]. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing.
Cuttings
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.
Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
