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Useful Tropical Plants

Crotalaria incana

L.

Fabaceae

+ Synonyms

Chrysocalyx schimperi A.Rich.

Crotalaria affinis DC.

Crotalaria criocaula S.Schauer

Crotalaria cubensis DC.

Crotalaria cytisifolia Steud.

Crotalaria diffusa Vell.

Crotalaria eriocaula S.Schauer

Crotalaria glabrescens Andersson

Crotalaria herbacea Schrank

Crotalaria hirta Lag.

Crotalaria hirta Roth

Crotalaria montana A.Rich.

Crotalaria picensis Phil.

Crotalaria pubescens hort. ex Steud.

Crotalaria pubescens Moench

Crotalaria purpurascens Lam.

Crotalaria radiata Merr.

Crotalaria schimperi A.Rich.

Crotalaria setifera DC.

Lupinus rotundifolius Sesse & Moc.

Common Name:

Crotalaria incana
Flowering stem
Photograph by: Forest and Kim Starr
Creative Commons License
Crotalaria incana Crotalaria incana Crotalaria incana Crotalaria incana Crotalaria incana Crotalaria incana Crotalaria incana

General Information

Crotalaria incana varies from an erect annual to a somewhat woody perennial plant. It commonly grows from 25 - 130cm tall, exceptionally to 350cm, usually with spreading branches[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
,
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
The plant is sometimes harvested from the wild for local use as a medicine. It has shown promise as a green manure crop in coffee.

Known Hazards

The plant contains toxins, including pyrrolizidine alkaloids. Cattle avoid eating it[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
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

266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
,
1340
Title
Las Especies Argentinas De Crotalaria (Leguminosae - Crotalarieae): Novedades, Descripciones Y Clave
Publication
Gayana Bot. 57( 1 ): 67-87. 2000
Author
Edith Gómez-Sosa
Publisher
 
Year
2000
ISBN
0016-5301
Description
 

Range

S. America - Argentina, Uruguay, Paraguay, Brazil, Bolivia, Peru, Ecuador, Colombia, Guyana; C. America - Panama to Mexico; Caribbean.

Habitat

Deciduous bushland, grassland, dry stream beds, river banks and as a weed in fields and waste places, usually preferring moist sites; at elevations up to 2,300 metres[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Properties

Weed PotentialYes
Medicinal Rating *  *
Other Uses Rating *  *
HabitAnnual/Perennial
Height1.00 m
Cultivation StatusCultivated, 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.
].
The plan has often escaped from cultivation - it is naturalized in disturbed areas such as roadsides, pastures, and agricultural fields in Hawaii, and t is found as a weed in oil-palm and rubber plantations in southeast Asia[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
,
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
Cultivation of the plant was discontinued in Bogor, Indonesia, because it was attacked by insects[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
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[
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.
].

Edible Uses

None known

Medicinal

Flowers and unripe fruits are used as abortifacient in Paraguay, where the pods are seen as a magic cure for treating mute and stuttering children[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

The plant is widely used in folk medicine in Colombia to cure gonorrhea, for baths and poultices, and as a disinfectant for wounds and sores[
1340
Title
Las Especies Argentinas De Crotalaria (Leguminosae - Crotalarieae): Novedades, Descripciones Y Clave
Publication
Gayana Bot. 57( 1 ): 67-87. 2000
Author
Edith Gómez-Sosa
Publisher
 
Year
2000
ISBN
0016-5301
Description
 
].

Agroforestry Uses:

Used as a green manure and cover crop, showing promise when grown amongst coffee[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

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.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2020-07-06. <tropical.theferns.info/viewtropical.php?id=Crotalaria+incana>

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