Crotalaria karagwensis
Taub.
Fabaceae
Crotalaria lugardiorum Bullock
Common Name:
General Information
Crotalaria karagwensis is an erect, annual plant, often with spreading, weakly ascending branches from the base, growing from 20 - 100cm tall[
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.
].
The plant is sometimes harvested from the wild for local use of its edible seed.
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
Range
Tropical Africa - ?Cameroon, Ethiopia, eastern DR Congo, Uganda, Kenya, Rwanda, Burundi, Tanzania.
Habitat
Grassland and woodland; also persisting on roadsides and in cultivated land, at elevations from 1,100 - 2,300 metres[
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.
].
Properties
| Edibility Rating |  |
| Habit | Annual |
| Height | 1.00 m |
| Cultivation Status | Wild |
Cultivation Details
Annual and short-lived perennial plants in this genus generally grow best in a sunny position, succeeding in most 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
Seed - cooked[
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.
,
332- Title
- The Useful Plants of West Tropical Africa.
- Publication
-
- Author
- Burkil. H. M.
- Publisher
- Royal Botanic Gardens; Kew.
- Year
- 1985 - 2004
- ISBN
-
- Description
- Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. Considered to be edible in Kenya[
332- Title
- The Useful Plants of West Tropical Africa.
- Publication
-
- Author
- Burkil. H. M.
- Publisher
- Royal Botanic Gardens; Kew.
- Year
- 1985 - 2004
- ISBN
-
- Description
- Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The oblong, club-shaped seedpod is around 25mm × 35mm × 5mm, containing 15 - 34 heart-shaped seeds 1.5 - 4mm in diameter[
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.
]. Some caution needs to be employed - see notes above on toxicity[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Medicinal
None known
Other Uses
None known
Propagation
Seed - sow in situ. Pre-soaking the seed for 12 hours in warm water can help to reduce germination time.
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.
