If you would like to support this site, please consider Donating.
Useful Tropical Plants

Landolphia owariensis

P.Beauv.

Apocynaceae


A variable plant, three distinct varieties are recognized[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

+ Synonyms

Landolphia droogmansiana De Wild.

Landolphia gentilii De Wild.

Landolphia glaberrima A.Chev. (1908)

Landolphia humilis K.Schum. ex Schltr.

Landolphia kirkii owariensis (P.Beauv.) De Wild. & T.Durand

Landolphia leiocalyx Pichon (1953)

Landolphia mayumbensis Good (1929)

Landolphia miegeana A.Chev. (1948)

Landolphia nigerina A.Chev.

Landolphia pierrei Hua

Landolphia stapfiana Wernham (1913)

Landolphia stolzii Busse (1902)

Landolphia subturbinata Stapf ex Dawe

Landolphia tomentella (Stapf) A.Chev.

Landolphia turbinate Stapf ex A.Chev.

Pacouria owariensis (P.Beauv.) Hiern

Paederia owariensis (P.Beauv.) Spreng.

Vahea owariensis (P.Beauv.) F.Muell.

Common Name: Eta

Landolphia owariensis
Leaves
Photograph by: Scamperdale
Creative Commons License
Landolphia owariensis Landolphia owariensis Landolphia owariensis Landolphia owariensis Landolphia owariensis Landolphia owariensis

General Information

Eta grows as a shrub in the savannah, but when growing in the forest becomes a huge climbing plant, producing stems that climb over other plants in the forest and can reach a length of 100 metres or more with a basal diameter of 30cm[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
The fruit is commonly harvested from the wild and is highly esteemed[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
]. Before the days of the monopoly of natural rubber sources by Hevea plantations, this species was a very important source of vine-rubber[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. It has been exploited as a forest-produce throughout its range, and plantations of it have at times been established elsewhere in Africa[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. It fell into almost total commercial disuse, though during the 1939 - 45 war it regained an ephemeral interest as a substitute for hevea rubber[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Known Hazards

None known

Botanical References


Range

Tropical Africa - Guinea to Sudan, south to Uganda and southern Tanganyika.

Habitat

A shrub growing in the savannah, or a huge liana of secondary deciduous and dense forests[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Properties

Edibility Rating *  *  *
Medicinal Rating *  *
Other Uses Rating *  *  *
HabitClimber
Height70.00 m
Cultivation StatusWild

Cultivation Details



In the Nigerian and Cameroons high-forest, yields of 22 - 180 kg per sq mile of forest (period not stated, but presumably per year) were recorded, and a skilled tapper could obtain 7½ kg per month, at the expense of much dangerous tree-climbing[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
This is certainly the commonest of the Landolphia spp. It survives bush-fires, and its rhizomes after a burn often put up a coppice of short shoots which even before becoming lignified will bear flowers and fruits[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Edible Uses

The fruits, resembling small oranges, are edible and are esteemed in all areas[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. It is recorded as a good source of vitamins[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. In various parts it is fermented to give an alcoholic drink[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
The fruits are the size of oranges and have a reddish-brown, woody shell and an agreeable pulp[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
]. This pulp is eaten directly, it is also used to season foods and to make tangy fruit drinks and even wine[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
]. Typically, the flavour is both sweet and sour at the same time[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
].
Eta is an unusual fruit, but people really like it. Normally, the pulp is merely dumped in water and left to soak a few minutes. Being highly acidic, it makes a lot of beverage. Sugar is added to taste, and the final product conveys a delightful aroma[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
].
The tough and leathery skin is usually opened with a whack of the fist or heel of the hand. (It can be cut open, but latex in the thick outer shell soon gums up the knife.)[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
]

Medicinal

The latex from the stems is used medicinally. It is taken internally as a treatment against intestinal worms, or it may be used as an enema for the same purpose[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
The latex is also used in lotions[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

The leaves are boiled for application to sprains[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Sap expressed from the leaves is dripped into the eyes and used to wash the patient’s face in a treatment for giddiness and epilepsy[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The sap is rubbed with massage into scarifications over areas of oedema and rheumatism[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

A decoction of the roots or green fruits is drunk as a purgative and for urethral discharge[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The liquid of this preparation is used in steam-baths for feverish aches[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

A trace of flavones is reported in the leaves, and tannin, steroids and terpenes in the roots[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Other Uses

A high quality latex, used for making rubber, is obtained from the stems[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The normal method of extraction is by incision, but excision tapping as for Hevea has been practised[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The latex normally is white but may be red, pink or amber, and when obtained by incision or excision is variable[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. Usually it coagulates immediately, but at some seasons or at certain places it remains fluid enough to run into a collecting vessel, when coagulation is then done by lime-juice or salt-water[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The resultant rubber is of good quality, but latex from some lianas will not coagulate and remains tacky[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. Local people use the latex to make rubber bands[
323
Title
Lost Crops of Africa. Vol. 3 Fruits.
Publication
 
Author
 
Publisher
National Academy Press
Year
2008
ISBN
030910596X
Description
Masses of information on about 70 species of plants that have been utilized as fruits in Africa.
].

The twigs are used as chewsticks[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Propagation

Seed. For the first couple of years the seedlings are slow growing and remain short and stubby bushes, but they then begin elongating and take on the appearance of vines. At that time they are removed from the nursery and planted in the field. If given a chance, this gumvine grows straight up the trunks of trees, making its way to the top of the forest canopy[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
Cuttings.

Add a Comment:

If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.