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Useful Tropical Plants

Hydnocarpus macrocarpus

(Bedd.) Warb.

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

Asteriastigma macrocarpa Bedd.

Common Name:

No Image.

General Information

Hydnocarpus macrocarpus is a large, evergreen tree.
The tree is probably harvested from the wild for its seeds, which have medicinal uses.
The tree has a restricted range in southwest India. Large areas of forest have been destroyed for the Kodayar Hydroelectric Project and also for the establishment of plantation crops. Outlying populations exist further north towards Anamalai. The fruits have been overcollected for medicinal use[
884
Title
The World List of Threatened Trees
Publication
 
Author
Oldfield S.; Lusty C.; and MacKinven A.
Website
http://www.biodiversitylibrary.org
Publisher
World Conservation Press; Cambridge UK
Year
1998
ISBN
1-899628-10 X
Description
A list of the trees on the IUCN Red List of Threatened Plant Species in 1998, often giving some information on habitat and the reasons for being on the list. It can be downloaded from the Internet.
].

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


Range

E. Asia - southwest India

Habitat

An understorey tree in low and medium elevation wet evergreen forests at elevations up to 1,000 metres

Properties

Medicinal Rating *  *
HabitEvergreen Tree
Height15.00 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.
].

Edible Uses

None known

Medicinal

There are a number of species in this genus that are collected for the medicinal benefits of the oil in their seeds. We know that the fruits of this species are harvested[
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.
], but have seen no confirmation of how they are used medicinally. It is most likely that the oil is used to treat skin problems, wounds etc[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
The fruit of this species is a woody, globose berry up to 15cm in diameter, containing up to 50 seeds tightly packed together.

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. 2024-05-26. <tropical.theferns.info/viewtropical.php?id=Hydnocarpus+macrocarpus>

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