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Useful Tropical Plants

Hydnocarpus wightianus

Blume

Achariaceae


The genus Hydnocarpus is currently (2015) under review and there seems no clear and generally accepted treatment currently available. Because different authorities are treating the genus differently, we have included several species here where we are uncertain if we are using the correct name - or even if we are including it more than once under different names. Although its position is currently unresolved, this is one of the species we are more confident about[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Hydnocarpus inebrians Wall.

Hydnocarpus laurifolius Sleumer

Common Name:

Hydnocarpus wightianus

General Information

Hydnocarpus wightianus is a tall evergreen tree[
506
Title
The Flora of British India. (in 7 volumes)
Publication
 
Author
Hooker J.D.
Website
http://www.biodiversitylibrary.org
Publisher
L.Reeve & Co.; London
Year
1872 - 1897
ISBN
 
Description
Rather dated, but has some information on plant uses. It can be downloaded from the Internet.
].
The tree is commonly harvested from the wild for the oil obtained from its seed, which is used both locally and also traded as a treatment for a range of skin problems.

Known Hazards

Although we have seen no specific information for this species, the seeds of many members of this genus contain cyanogetic glycosides[
218
Title
Medicinal Plants of China
Publication
 
Author
Duke. J. A. and Ayensu. E. S.
Publisher
Reference Publications, Inc.
Year
1985
ISBN
0-917256-20-4
Description
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
,
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.
]. In very small quantities this has been used medicinally, having been shown to stimulate respiration and improve digestion, it is also claimed to be of benefit in the treatment of cancer. In excess, however, it can cause respiratory failure and even death.

Botanical References

506
Title
The Flora of British India. (in 7 volumes)
Publication
 
Author
Hooker J.D.
Website
http://www.biodiversitylibrary.org
Publisher
L.Reeve & Co.; London
Year
1872 - 1897
ISBN
 
Description
Rather dated, but has some information on plant uses. It can be downloaded from the Internet.

Range

E. Asia - southwest India.

Habitat

Not known

Properties

Medicinal Rating *  *  *
HabitEvergreen Tree
Height0.00 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details


Species in this genus generally require well-drained sandy or loamy silt soils and grow best along creek beds or on the banks of streams[
1008
Title
The Chaulmoogra Tree and some Related Species - A survey conducted in Siam, Burma, Assam and Bengal
Publication
United States Dept of Agriculture, Bulletin No. 1057
Author
Rock J.F.
Publisher
Government Printing Office, Washington.
Year
1922
ISBN
 
Description
A review of various species in the genus Hydnocarpus that are the source of the medicinal oil Chaulmoogra.
].
Seeds tend to go rancid rather quickly. Therefore ripe fruits should be opened and the fruit pulp and aril removed from the seeds. Seeds are then washed and dried in the sun. Sun-dried seeds, either whole or broken, are cold-pressed or pressed under concurrent heating to extract the oil. The chemical composition of the end-product of these methods varies[
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 dioecious species, both male and female forms need to be grown if fruit and seed are required

Edible Uses

None known

Medicinal

The oil from the seed, known as Moratti oil, is used as a treatment against leprosy and other skin complaints[
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.
,
387
Title
Economic Products of India. Volume 1.
Publication
 
Author
Watt. G.
Publisher
Government of India: Calcutta.
Year
1883
ISBN
 
Description
Although over 100 years old, it still contains a wealth of information on useful plants. Many of the botanical names have been changed since then, so you have to check for up to date names. The book can be downloaded from the Internet.
]. The oil has also been recommended as a topical application to treat rheumatism, sprains and bruises, sciatica and chest complaints, and for dressing wounds[
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 used in cases of ophthalmia and ulcers on the feet[
387
Title
Economic Products of India. Volume 1.
Publication
 
Author
Watt. G.
Publisher
Government of India: Calcutta.
Year
1883
ISBN
 
Description
Although over 100 years old, it still contains a wealth of information on useful plants. Many of the botanical names have been changed since then, so you have to check for up to date names. The book can be downloaded from the Internet.
].

Other Uses

None known

Propagation

Seed - best sown as soon as it is ripe, when it will usually germinate quickly. Germination of stored seed can be slow, with some species in the genus taking up to 2 years. Sow the seed in a shaded position in a nursery seedbed and keep moist. Grow on the seedlings in shade until large enough to plant out[
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.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2024-05-28. <tropical.theferns.info/viewtropical.php?id=Hydnocarpus+wightianus>

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