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Useful Tropical Plants

Danais cernua

Baker

Rubiaceae

+ Synonyms

Danais gerrardii Baker

Danais ternata Baker

Common Name:

Danais cernua
Inflorescence
Photograph by: Charles Rakotovao
Creative Commons License
Danais cernua Danais cernua Danais cernua Danais cernua Danais cernua Danais cernua

General Information

Danais cernua is a climbing shrub producing stems 3 metres or more long[
728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.
].
The plant is gathered from the wild for local use as a dye and source of fibre.

Known Hazards

None known

Botanical References

728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.

Range

Africa - Madagascar

Habitat

Rain forest, sclerophyllous forest over gneiss, mossy high altitude forest; occasionally on rocky slopes; deep rocky gorges with forest remnants; edges of swampy areas; disturbed or secondary vegetation. From sea level to about 1,500 metres[
728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.
].

Properties

Medicinal Rating *  *
Other Uses Rating *  *  *
HabitClimber
Height3.00 m
Cultivation StatusWild

Cultivation Details



A fairly variable species[
728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.
].
When the leaf tissue is damaged an unpleasant foetid odour is emitted, possibly caused by the iridoid glycoside paederoside[
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.
].

Edible Uses

None known

Medicinal

Although this species was not mentioned specifically, the roots of many species in this genus are used as a treatment against herpes, whilst the bark is a febrifuge[
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 roots are febrifuge[
565
Title
Madagascar. An Environmental Profile.
Publication
 
Author
Jenkins M.D. (Editor)
Publisher
World Conservation Monitoring Centre; Cambridge.
Year
1987
ISBN
2-88032-607-9
Description
Contains a list of the Ethnobotanical uses of Madagascar plants.
].

Other Uses

A dye is obtained from the roots[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
]. With some lemon juice added, the roots produce a deep red dye[
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 fibre is obtained from the bark[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
].

The leaves of many Danais species contain high proportions of aluminium (up to 1% of the dry matter weight in Danais fragrans (Comm. Ex Lam.) Pers.), which can be used as an organic mordant[
728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.
]. Aluminium salts are a most useful substance for using in dyeing processes, where they strengthen and multiply the chemical bonds between the textile fibres and the majority of natural dyes[
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.
].

Propagation

Seed -
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-06-17. <tropical.theferns.info/viewtropical.php?id=Danais+cernua>

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