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Useful Tropical Plants

Jacquemontia tamnifolia

(L.) Griseb.

Convolvulaceae

+ Synonyms

Convolvulus capitatus Desr.

Convolvulus guineensis Schumach.

Convolvulus pycnanthus Hochst. ex Choisy

Ipomoea capitata (Desr.) Choisy

Ipomoea guineensis (Schumach.) G.Don

Ipomoea macropoda Bojer

Ipomoea tamnifolia L.

Jacquemontia capitata (Desr.) G.Don

Thyella tamnifolia (L.) Raf.

Common Name:

Jacquemontia tamnifolia
Close-up of the flowers
Photograph by: Eleanor
Creative Commons License
Jacquemontia tamnifolia Jacquemontia tamnifolia Jacquemontia tamnifolia Jacquemontia tamnifolia

General Information

Jacquemontia tamnifolia is a slender annual climbing plant producing several stems from the base; these can be 1 - 6 metres long, scrambling over the ground or twining into other plants for support[
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.
,
331
Title
Flora of Guatemala
Publication
 
Author
Standley P.C. & J. A. Steyermark
Website
http://www.archive.org/
Publisher
 
Year
1946 - 1976
ISBN
 
Description
A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/
,
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/
,
398
Title
Edible Wild Plants of Tanzania
Publication
 
Author
Ruffo, C.K.: Birnie, A. & Tengnas, B.
Publisher
Regional Land Management Unit; Nairobi.
Year
2002
ISBN
9966-896-60-0
Description
A very well presented, simple guide to growing and utilizing wild food plants in Tanzania, with line drawings of each plant, a description, habitat and range, non-food as well as food uses, plus basic information on growing the plants.
].
The plant is harvested from the wild as a local source of food and medicines. It bears heads of bright blue flowers and can be trained over a trellis as an ornamental climber[
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

331
Title
Flora of Guatemala
Publication
 
Author
Standley P.C. & J. A. Steyermark
Website
http://www.archive.org/
Publisher
 
Year
1946 - 1976
ISBN
 
Description
A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/

Range

S. America - Paraguay, Bolivia, Ecuador, Colombia, Venezuela; C. America - Panama to Mexico; southern N. America - Texas to Florida.

Habitat

Moist or dry thickets at elevations around 900 metres in Guatemala[
331
Title
Flora of Guatemala
Publication
 
Author
Standley P.C. & J. A. Steyermark
Website
http://www.archive.org/
Publisher
 
Year
1946 - 1976
ISBN
 
Description
A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/
]. Dry scrub, grasslands and cultivated ground on sandy or rocky soils, at elevations from 60 - 900 metres in east Africa[
398
Title
Edible Wild Plants of Tanzania
Publication
 
Author
Ruffo, C.K.: Birnie, A. & Tengnas, B.
Publisher
Regional Land Management Unit; Nairobi.
Year
2002
ISBN
9966-896-60-0
Description
A very well presented, simple guide to growing and utilizing wild food plants in Tanzania, with line drawings of each plant, a description, habitat and range, non-food as well as food uses, plus basic information on growing the plants.
].

Properties

Weed PotentialYes
Edibility Rating *  *
Medicinal Rating *  *
Other Uses Rating *
HabitAnnual Climber
Height3.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details



A native of tropical and subtropical America, the plant has become naturalized in many parts of 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/
].

Edible Uses

Leaves cooked[
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.
,
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/
]. Eaten as a vegetable or mashed and added to soups[
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 withered in the sun and then cooked alone or mixed with other vegetables such as peas or amaranth. Coconut milk or pounded
groundnuts are added and the whole is then ready for eating with a staple food such as rice[
398
Title
Edible Wild Plants of Tanzania
Publication
 
Author
Ruffo, C.K.: Birnie, A. & Tengnas, B.
Publisher
Regional Land Management Unit; Nairobi.
Year
2002
ISBN
9966-896-60-0
Description
A very well presented, simple guide to growing and utilizing wild food plants in Tanzania, with line drawings of each plant, a description, habitat and range, non-food as well as food uses, plus basic information on growing the plants.
].

Medicinal

An infusion of the leaves is used for washing wounds[
398
Title
Edible Wild Plants of Tanzania
Publication
 
Author
Ruffo, C.K.: Birnie, A. & Tengnas, B.
Publisher
Regional Land Management Unit; Nairobi.
Year
2002
ISBN
9966-896-60-0
Description
A very well presented, simple guide to growing and utilizing wild food plants in Tanzania, with line drawings of each plant, a description, habitat and range, non-food as well as food uses, plus basic information on growing the plants.
].
The leaves are crushed with a scent and then applied to the head to relieve a headache332].
The leaves are dried and powdered, then combined with those of Nauclea latifolia, and taken as a snuff in the treatment of neuralgia[
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 and roots are chewed and the juice swallowed as an antidote to green mamba bite[
398
Title
Edible Wild Plants of Tanzania
Publication
 
Author
Ruffo, C.K.: Birnie, A. & Tengnas, B.
Publisher
Regional Land Management Unit; Nairobi.
Year
2002
ISBN
9966-896-60-0
Description
A very well presented, simple guide to growing and utilizing wild food plants in Tanzania, with line drawings of each plant, a description, habitat and range, non-food as well as food uses, plus basic information on growing the plants.
].

The sap is dripped into the eyes in the treatment of conjunctivitis[
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 plant is reduced to ash, mixed with caster-oil, then rubbed into scarifications in the skin in the treatment of leprosy[
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/
].

Traces of hallucinogenic indole alkaloids have been reported present in the seeds[
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

Extracts of the whole plant and of the fruits have shown a slight insecticidal activity[
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 -

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