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Useful Tropical Plants

Danais rhamnifolia

Baker

Rubiaceae

+ Synonyms

Danais chapelieri Drake

Common Name:

Danais rhamnifolia
Inflorescence
Photograph by: Patrice Antilahimena
Creative Commons License
Danais rhamnifolia Danais rhamnifolia Danais rhamnifolia

General Information

Danais rhamnifolia can vary somewhat in habit. Often a climbing shrub with stems up to 15 metres long, it can be more bush-like or even develop a small central trunk and be more like a small tree.
The roots are a source of a red dye that is much used traditionally. The roots also have local medicinal purposes whilst the leaves can be used as a mordant.

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 - eastern Madagascar.

Habitat

Lowland rainforest and also in higher elevations, occasionally in disturbed, secondary sites, usually at elevations up to 1,700 metres but occasionally ascending to 2,200 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
Height15.00 m
Cultivation StatusWild

Cultivation Details

Not known

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.
].

Other Uses

A paste of the pounded rootbark dyes raffia a dark blood red[
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 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. 2019-07-20. <tropical.theferns.info/viewtropical.php?id=Danais+rhamnifolia>

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