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Useful Tropical Plants

Strophanthus gratus

(Wall. & Hook.) Baill.

Apocynaceae

+ Synonyms

Nerium guineense Brongn. ex Perrot & Vogt

Roupalia grata (Wall. & Hook.) T.Moore & Ayres

Roupellia grata Wall. & Hook.

Strophanthus chopraie M.R.Almeida

Strophanthus glaber Cornu ex Holmes

Strophanthus gratus Franch.

Strophanthus ouaboio Holmes

Strophanthus perrotii A.Chev.

Strophanthus stanleyanus Hook.

Common Name: Climbing Oleander

Strophanthus gratus
Flowering plant growing in Rama IX Royal Park, Bangkok
Photograph by: Tony Rodd
Creative Commons License
Strophanthus gratus Strophanthus gratus Strophanthus gratus

General Information

Climbing oleander is a semideciduous, climbing shrub with stems that can be up to 25 metres long and 10cm in diameter. Sometimes the plant grows more as a shrub 2 - 3 metres tall and does not climb[
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.
,
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 harvested from the wild for local use as a medicine. It is cultivated in Cameroon, Nigeria, and Gabon, both for local use and for export[
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.
,
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
]. It is widely grown in the tropics, and in greenhouses in the temperate zone, as an ornamental climbing plant, being especially valued for its rose-scented blossoms[
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.
].

Known Hazards

The plant is very toxic - the seeds, stem bark and roots have been widely used to make an arrow poison[
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.
,
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].

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.

Range

West tropical Africa - Sierra Leone to DR Congo.

Habitat

Primary and secondary moist forest, often at forest margins or on river banks, at elevations from sea-level up to 650 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

Medicinal Rating *  *
HabitSemi-deciduous Climber
Height20.00 m
Self-fertileNo
Cultivation StatusCultivated, Ornamental, Wild

Cultivation Details


Prefers a sunny position in a moist but well-drained, fertile, humus-rich soil[
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.
,
710
Title
Tropical Flowering Plants. A Guide to Identification and Cultivation.
Publication
 
Author
Llamas K.A.
Publisher
Timber Press; Oregon.
Year
2003
ISBN
0-88192-585-3
Description
A terse guide for the gardener to almost 1,500 species of ornamental tropical plants with brief details on their cultivation and, usually, a small photograph of good quality.
].
When growing in humid regions, the plant can flower all year round[
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.
].
Regular pruning can maintain the plant as a shrub[
710
Title
Tropical Flowering Plants. A Guide to Identification and Cultivation.
Publication
 
Author
Llamas K.A.
Publisher
Timber Press; Oregon.
Year
2003
ISBN
0-88192-585-3
Description
A terse guide for the gardener to almost 1,500 species of ornamental tropical plants with brief details on their cultivation and, usually, a small photograph of good quality.
].

Edible Uses

None known

Medicinal

A leaf and stem decoction is used to treat gonorrhoea[
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.
,
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.
].

A decoction of the bark is taken to treat weakness[
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.
].

An infusion of the leaves is taken to treat constipation[
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.
].
Used externally, a leaf paste is put onto sores, including guinea worm sores, and is also applied to snakebites[
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.
]. An infusion of the leaves is rubbed on the body to cure fever[
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.
].

A root decoction is said to be an aphrodisiac[
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 seeds are used as a cardiac stimulant[
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 glycoside ouabain is extracted from the seed and used in a number of pharmaceuticals in several European countries, especially in Germany, as a rapid cardiac and vascular stimulant[
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.
].

A large number of cardiac glycosides have been isolated from the plant. The seeds contain 4 - 8% of a glycoside mixture, which is the highest concentration of glycosides in the plant[
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 leaves contain the lignans pinoresinol, 8-hydroxypinoresinol and olivil[
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.
].
In medicine, the glycoside ouabain is used as a remedy for congestive heart failure, in a similar way to the digitalis glycosides[
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.
].
Preliminary tests have found a novel activity for ouabain that could prove relevant to the treatment of metastatic prostate cancer. The compound induces programmed cell death in androgen-independent human prostate cancer cell lines in vitro[
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.
].

Other Uses

None known

Propagation

Seed -
Cuttings of young wood.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2024-06-13. <tropical.theferns.info/viewtropical.php?id=Strophanthus+gratus>

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