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Useful Tropical Plants

Operculina turpethum

(L.) Silva Manso

Convolvulaceae

+ Synonyms

Argyreia alulata Miq.

Convolvulus anceps L.

Convolvulus turpethum L.

Ipomoea anceps (L.) Roem. & Schult.

Ipomoea turpethum (L.) R.Br.

Merremia turpethum (L.) Bojer

Spiranthera turpethum (L.) Bojer

Common Name: Indian Jalap

Operculina turpethum
Flowering plant
Photograph by: Dinesh Valke
Creative Commons License
Operculina turpethum Operculina turpethum Operculina turpethum Operculina turpethum

General Information

Indian jalap is a perennial climbing plant, producing annual stems 2 - 4 metres long from a long, fleshy, much-branched perennial rootstock[
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.
,
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 an important Ayurvedic herb with a very long history of medicinal use in India[
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.
]. In India and Sri Lanka, the plant is sometimes also cultivated as an ornamental in gardens[
304
Title
Handbook of Ayurvedic Medicinal Plants
Publication
 
Author
Kapoor. L. D.
Publisher
CRC Press, Florida.
Year
2001
ISBN
0-8493-2929-9
Description
A very detailed book on some of the key Ayurvedic herbs, giving both technical and non-technical information on each plant. The whole is very well referenced.
,
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.
].

Known Hazards

The rhizome, especially the black form, is a drastic purgative[
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.
].

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

Eastern Africa, through tropical Asia to Australia and Micronesia.

Habitat

Open forest, teak forest, hedges, thickets, roadsides and waste places, occasionally in sugar-cane plantations, restricted to regions with a medium or strong monsoon, from sea-level up to 1,300 metres[
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.
].

Properties

Edibility Rating *  *
Medicinal Rating *  *  *
Other Uses Rating *  *
HabitPerennial Climber
Height3.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details

Not known

Edible Uses

The soft, sweet-tasting stem is sucked or chewed[
301
Title
Cornucopia II
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications, California.
Year
1998
ISBN
0-9628087-2-5
Description
The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].

The fleshy, unripe fruits can be eaten raw or coked like peas[
301
Title
Cornucopia II
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications, California.
Year
1998
ISBN
0-9628087-2-5
Description
The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].

Leaves[
301
Title
Cornucopia II
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications, California.
Year
1998
ISBN
0-9628087-2-5
Description
The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].

Medicinal

Indian jalap is often used medicinally, its rhizome being officially recorded in many pharmacopoeias, especially in South America and India[
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.
]. There are two types of rhizome - the white rhizomes are mildly purgative whilst the black rhizomes give drastic, often poisonous results[
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 rhizome bark in particular contains up to 10% of a brownish yellow glycosidic resin, called turpethin, which is analogous to jalapin (the resin from the related jalap, Ipomoea purga)[
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.
]. Turpethin has purgative and laxative effects[
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.
].
The root also contains coumarin, scopoletin, glucose, rhamnose and fucose[
304
Title
Handbook of Ayurvedic Medicinal Plants
Publication
 
Author
Kapoor. L. D.
Publisher
CRC Press, Florida.
Year
2001
ISBN
0-8493-2929-9
Description
A very detailed book on some of the key Ayurvedic herbs, giving both technical and non-technical information on each plant. The whole is very well referenced.
].
Extracts of the root have shown antiinflammatory activity - an aqueous extract being most effective[
304
Title
Handbook of Ayurvedic Medicinal Plants
Publication
 
Author
Kapoor. L. D.
Publisher
CRC Press, Florida.
Year
2001
ISBN
0-8493-2929-9
Description
A very detailed book on some of the key Ayurvedic herbs, giving both technical and non-technical information on each plant. The whole is very well referenced.
].

The rhizome is used primarily as a powerful purgative and as a diuretic[
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.
]. It is employed in the treatment of articular pains, fevers, gout, jaundice, bilious disturbances in general, intestinal worms and rheumatism[
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 heated stem is applied to the abdomen after parturition to cure colic and to aid in the contraction of the tissues[
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 leaves is used as a tonic after childbirth[
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 leaves, or young stems, are used to prepare a tea which is drunk frequently as a remedy for bladder stones and against pains in the abdomen or stomach[
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.
].

Other Uses

The stems are used for tying purposes[
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.
].

Treatment of susceptible host plants with extracts from the leaves induced systemic resistance to subsequent challenge from sun hemp rosette virus, tobacco mosaic tobamovirus, datura shoestring potyvirus and tomato spotted wilt tospovirus[
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.
].

Propagation

Seed -

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