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Useful Tropical Plants

Erythrina verna

Vell.

Fabaceae

+ Synonyms

Corallodendron mulungu (Mart. ex Benth.) Kuntze

Erythrina flammea Herzog

Erythrina mulungu Mart. ex Benth.

Common Name:

Erythrina verna
Cultivated tree in Brasília, Distrito Federal, Brasil
Photograph by: João Medeiros
Creative Commons Attribution 2.0
Erythrina verna Erythrina verna Erythrina verna

General Information

Erythrina verna is a spiny, deciduous shrub or tree with a low, open crown; it can grow 10 - 20 metres tall. The trunk, which can be multi-stemmed, can be 40 - 70cm in diameter and is covered with a thick layer of corky bark[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].
The tree is a popular herbal remedy and is often harvested from the wild as a medicine for local use and also for trade. The tree is also a local source of wood. It is grown to provide shade in cocoa plantations and can be used as a pioneer for restoring woodland. A very ornamental tree, especially when in bloom, it can be used in general landscaping[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

Known Hazards

All Erythrina species contain greater or lesser amounts of toxic alkaloids - these can be found in all parts of the plant but are usually most concentrated in the seeds. Concentrations vary from species to species, in some it is low enough that the plant is safely used as a food. In many, the alkaloids are utilized for their medicinal effects. We have no specific information on the concentration of the alkaloids in this species, but care should be exercised in any use of the plant that involves ingestion. These alkaloids have a curare-like action (obtained from Strychnos species) and can cause paralysis and even death by respiratory failure[
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.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Botanical References


Range

S. America - eastern and southern Brazil, Bolivia.

Habitat

Rainforest and broadleaved, semideciduous forests where it is most commonly found in open areas and secondary growth; favouring drier areas[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

Properties

Medicinal Rating *  *  *  *
Other Uses Rating *  *
HabitDeciduous Tree
Height12.00 m
Growth RateFast
PollinatorsInsects, Humming birds
Self-fertileYes
Cultivation StatusCultivated, Ornamental, Wild

Cultivation Details


Erythrina species are tolerant of a range of soils, often tolerating poor fertility, but generally grow best in a sunny position in a moderately fertile, well-drained soil[
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.
].
All species in this genus are believed to be self-compatible. Their flowers are adapted to pollination by birds, though various insects can also cause fertilization. The various species of Erythrina can all, as far as is known, be intercrossed to produce fertile hybrids. Those species most closely related to each other cross fairly readily, but even species that are quite distant can hybridize[
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.
,
485
Title
Annals of the Missouri Botanical Garden. Vol 75
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Missouri Botanical Garden: Boston.
Year
1988
ISBN
 
Description
Contains, amongst other things, an article on the flora of Tanzania, a treatment of the genus Xyris and one for the Panamanian Boraginaceae. It can be downloaded from the internet.
].
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[
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


Grows best in a sunny position[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
]. Succeeds in drier soils[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].
Plants have a fast rate of growth, able to reach a height of around 3.5 metres within 2 years from seed[
439
Title
The Commercial Products of India.
Publication
 
Author
Watts. Sir George.
Publisher
John Murray, London.
Year
1908
ISBN
 
Description
A classic, with a comprehensive (as then known) listing of useful plants that were traded commercially at that time. It can be downloaded from various sites on the Internet.
].
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[].

Medicinal

The bark of the tree has long been used for medicinal purposes by indigenous peoples in Brazil, especially as a natural sedative. It has been used to calm an overexcited nervous system and promote a restful sleep[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
]. The active compounds in the tree have been studied extensively; they have been found to comprise large amounts of novel flavonoids, triterpenes, and alkaloids[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
,
739
Title
Medicinal Plants of Brazil
Publication
 
Author
Mors W.B.; Rizzini C.T.; Pereira N.A.
Publisher
Reference Publications; Michigan.
Year
2000
ISBN
0-917256-42-5
Description
An extremely concise book, listing approximately 1,500 species and varieties of plants with their botanical name, common name in Brazil, regions in Brazil where the plant is found, a brief list of uses and any medically active compounds in the plant.
].
Twenty isoquinoline alkaloids have been documented for this tree. Many of these have demonstrated anti-inflammatory, cardioactive, narcotic, and sedative activities.
One of these alkaloids, ‘cristamidine’ has been shown to have a positive effect on the liver[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
]. Other alkaloids have shown hypotensive and heart-regulatory activities[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].
The alkaloid ‘erysodine’ has been documented with neuromuscular effects characteristic of curare arrow poisons. Two studies also indicate that it might be useful as an anti-nicotine drug, as it demonstrated actions as a competitive antagonist and to block nicotine receptors[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].
The traditional use of the plant to relieve anxiety and stress has been validated by researchers in a 2002 study, where it was shown that a water-alcohol extract of the plant altered anxiety-related responses. The effect was similar to the commonly-prescribed anti-anxiety drug diazepam[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
]. It was suggested in this study that the alkaloids in Erythrina 'may alter GABAergic neurotransmission.' GABA (gamma-amino butyric acid) acts as a neurotransmitter in the brain; abnormalities with its function is implicated in diseases including epilepsy, anxiety, and depression[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].
Further research has validated the traditional use of the plant as an antimicrobial agent for throat and urinary infections, it having demonstrated antibacterial activity in two studies against Staphylococcus aureus, and antimycobacterial activity against Mycobacterium fortuitum and Mycobacterium smegmatis[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].
Positive regulatory effects on heart palpitations and decreased blood pressure have been reported[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].

The bark is antispasmodic, antitussive, calmative and narcotic[
739
Title
Medicinal Plants of Brazil
Publication
 
Author
Mors W.B.; Rizzini C.T.; Pereira N.A.
Publisher
Reference Publications; Michigan.
Year
2000
ISBN
0-917256-42-5
Description
An extremely concise book, listing approximately 1,500 species and varieties of plants with their botanical name, common name in Brazil, regions in Brazil where the plant is found, a brief list of uses and any medically active compounds in the plant.
]. It is considered to be an excellent sedative to calm agitation and nervous coughs and to treat other nervous system problems, including insomnia and anxiety. It also is widely used in the treatment of asthma, bronchitis, gingivitis, hepatitis, inflammation of the liver and spleen, intermittent fevers, and to clear obstructions in the liver. It is also used in some areas as part of the treatment for epilepsy[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
]. It is also used to quiet hysteria from trauma or shock, as a mild, hypnotic sedative to calm the nervous system, to treat insomnia and promote healthy sleeping patterns (by sedating overactive neurotransmitters), to regulate heart palpitations, and to treat hepatitis and liver disorders.; Dr. Donna Schwontkowski, a chiropractor who has used Amazonian plants in her practice, recommends the bark for treating hernias, stomachaches, and epilepsy - and to help augment milk flow as well[
318
Title
Raintree Nutrition - Tropical Plant Database
Publication
 
Author
 
Website
http://www.rain-tree.com/plants.htm
Publisher
 
Year
0
ISBN
 
Description
Detailed information on the medicinal uses of more than two hundred rainforest plants, mainly from S. America, with basic descriptions of the plants, their other uses etc.
].

Agroforestry Uses:

Used as a shade-providing tree in cocoa plantations[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].
Most Erythrina species are very easy to grow from cuttings, with even quite large branches striking well. In addition, they generally fix atmospheric nitrogen, have nutrient-rich leaves that make an excellent soil-enriching mulch, often have open crowns that do not overly restrict light, and are also often quite thorny and can provide impenetrable barriers to protect from unwelcome intrusions. Many species are therefore used as living fences to provide boundaries and livestock-proof hedges[
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.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
A pioneer species, growing fairly fast, attracting the native fauna and fixing atmospheric nitrogen. It can be used in reforestation schemes for restoring native woodland[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

Other Uses

The wood is light in weight, smooth, having 68% of fibres when dry, of low durability when exposed to moisture. It is only used for low value items such as boxes and for paper pulp[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
].

Propagation

Seed - best sown as soon as it is ripe in a partially shaded position in individual containers. A high germination rate can usually be expected from fresh seed, with the seed sprouting within 10 - 20 days[
419
Title
Brazilian Trees. Volume 1. 4th Edition.
Publication
 
Author
Lorenzi. H.
Publisher
Instituto Plantarum De Estudos Da Flora; Brazil.
Year
2002
ISBN
85-86714-17-8
Description
Information on 350 species of Brazilian trees. Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. A superb work, with the minor irritation that the translation from Portuguese is not of the best.
]. The seedlings develop quickly and they should be ready to plant out less than 4 months later[].
Like many species within the family Fabaceae, once they have been dried for storage the seeds of this species may benefit from scarification before sowing in order to speed up germination. 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[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Species in this genus are generally easy to grow from cuttings. Many will strike well even from large cuttings placed in the open ground so long as they are kept moist but not too wet[
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.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2024-03-28. <tropical.theferns.info/viewtropical.php?id=Erythrina+verna>

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