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Useful Tropical Plants

Crotalaria paulina

Schrank

Fabaceae

+ Synonyms

Common Name:

No Image.

General Information

Crotalaria paulina is a shrub growing 1 - 3 metres tall.
The plant is grown as a green manure and cover crop amongst cultivated crops. The plant has been recommended as a possible ornamental for tropical and subtropical zones.

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

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 - Brazil, Colombia

Habitat

Dry localities, often in poor soils[
1342
Title
Inventory of Seeds and Plants Imported Vol. 8
Publication
USDA Section of Seed and Plant Introduction
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
USDA; Washington
Year
1901
ISBN
 
Description
A list of plants and seed imported into the USA in 1899. It often contains information about the plants.
].

Properties

Other Uses Rating *  *
HabitShrub
Height2.00 m
PollinatorsInsects
Cultivation StatusCultivated

Cultivation Details


Species in this genus generally thrive in a wide range of well-drained soils and a sunny position[
974
Title
Encyclopedia of Tropical Plants - Identification and Cultivation of over 3,000 Tropical Plants
Publication
 
Author
Ahmed Fayaz
Publisher
Firefly Books Ltd.; New Zealand
Year
2011
ISBN
978-1-55407-489
Description
A good photograph and terse but detailed information for over 3,000 species of tropical plants. An excellent reference.
].
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

None known

Agroforestry Uses:

The plant covers the soil effectively, has an extensive root system, vigorous growth, fixes atmospheric nitrogen and produces a high mass of plant material. It is used as a green manure in Africa[
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
 
]. In Brazil it is grown as a companion crop with corn (Zea mays) and cassava (Manihot esculenta). It is also grown between perennial crops such as citrus and coffee[
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
 
].

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
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2020-02-21. <tropical.theferns.info/viewtropical.php?id=Crotalaria+paulina>

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