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Useful Tropical Plants

Palaquium obovatum

(Griff.) Engl.

Sapotaceae

+ Synonyms

Bassia hypoleuca Miq.

Bassia krantzii Hance

Dichopsis helferi C.B.Clarke

Dichopsis krantziana Pierre

Dichopsis obovata (Griff.) C.B.Clarke

Isonandra krantziana (Pierre) Pierre

Isonandra obovata Griff.

Palaquium celebicum Burck

Palaquium cinereum Burck

Palaquium cupreum Burck

Palaquium helferi (C.B.Clarke) Engl.

Palaquium krantzianum Pierre ex Lecomte

Palaquium minahassae Burck

Palaquium montgommerianum Burck

Palaquium obovatum King & Gamble

Palaquium oxleyanum Burck

Palaquium punctatum Fletcher

Palaquium theoideum Elmer

Common Name:

No Image.

General Information

Palaquium obovatum is an evergreen tree growing 30 - 45 metres tall. The straight, cylindrical bole can be 80 - 110cm in diameter[
701
Title
Asean Tropical Plant Database
Publication
 
Author
 
Website
http://211.114.21.20/tropicalplant/index.jsp
Publisher
 
Year
 
ISBN
 
Description
Terse details, with photos, of many of the plants growing in the tropical forests of southeast Asia. Gives some details of plant uses along with a description of the plant and its range.
].
The tree is harvested from the wild for its latex, which is used locally and its wood, which is used locally and also traded. It used to be cultivated as a commercial source of gutta-percha[
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

None known

Botanical References

899
Title
Tree Flora of Sabah and Sarawak Vols 1 - 6
Publication
 
Author
Soepadmo E.; Saw L.G.; Chung R.C.K. (Editors)
Publisher
Forest Research Institute Malaysia; Kuala Lumpur.
Year
2002
ISBN
983-2181-27-5
Description
A flora of the woody plants of Sabah and Sarawak on the island of Borneo, often giving details of plant uses.

Range

E. Asia - India, Myanmar, Thailand, Vietnam, Malaysia, Indonesia, Philippines.

Habitat

Lowland forest, especially in limestone forests[
334
Title
Flora of Peninsula Malaysia
Publication
 
Author
 
Website
http://www.tfbc.frim.gov.my
Publisher
 
Year
0
ISBN
 
Description
In the process of being assembled (15/07/09), it is currently a series of check sheets giving species name, brief description, habitat and high quality photos of the plants.
,
899
Title
Tree Flora of Sabah and Sarawak Vols 1 - 6
Publication
 
Author
Soepadmo E.; Saw L.G.; Chung R.C.K. (Editors)
Publisher
Forest Research Institute Malaysia; Kuala Lumpur.
Year
2002
ISBN
983-2181-27-5
Description
A flora of the woody plants of Sabah and Sarawak on the island of Borneo, often giving details of plant uses.
].

Properties

Other Uses Rating *  *  *
HabitEvergreen Tree
Height25.00 m
Cultivation StatusCultivated, Wild

Cultivation Details

Not known

Edible Uses

None known

Medicinal

None known

Other Uses

The tree is a source of a good quality gutta-percha[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
903
Title
The Gutta Percha and Rubber of the Philippines Islands
Publication
Department of Interior; Bureau of Government Laboratories, Philippines.
Author
Sherman P.L.
Website
http://www.biodiversitylibrary.org
Publisher
Bureau of Public Printing; Malila, Philippines
Year
1903
ISBN
 
Description
Written at the beginning of the 20th century, before the advent of synthetic rubbers, this is a review of the known rubber-producing plants being utilized in the Philippines. It can be downloaded from the Internet.
]. Of low quality[
899
Title
Tree Flora of Sabah and Sarawak Vols 1 - 6
Publication
 
Author
Soepadmo E.; Saw L.G.; Chung R.C.K. (Editors)
Publisher
Forest Research Institute Malaysia; Kuala Lumpur.
Year
2002
ISBN
983-2181-27-5
Description
A flora of the woody plants of Sabah and Sarawak on the island of Borneo, often giving details of plant uses.
].
Gutta-percha is a natural latex obtained from the sap of the tree. Allowing this fluid to evaporate and coagulate in the sun produces a hard, durable, non-brittle but non-elastic latex which can be made flexible again when heated to temperatures over 50°c, and then retains any form given while cooling. Prior to the advent of synthetic materials, gutta-percha had a wide range of uses - most particularly as an insulating material for electricity wiring and for underwater telegraph wires, a purpose for which it is very well suited since it is bio-inert and so is not attacked by marine plants or animals. Gutta-percha can be moulded into any shape and has been used to make items such as ornate furniture, pistol grips, acid-resistant receptacles and ‘mourning’ jewellery, where its dark colour was an advantage. It has been widely used as the core of golf balls and is still used in modern dentistry where its bio-inertness makes it ideal as a temporary filling for teeth and as a filling material inside tooth fillings[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
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.
,
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. It is used locally for fixing tools into their handles[
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 red wood is hard and not easily split[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
]. It is little attacked by termites and is durable under water, so is used in boat planking and house building[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
899
Title
Tree Flora of Sabah and Sarawak Vols 1 - 6
Publication
 
Author
Soepadmo E.; Saw L.G.; Chung R.C.K. (Editors)
Publisher
Forest Research Institute Malaysia; Kuala Lumpur.
Year
2002
ISBN
983-2181-27-5
Description
A flora of the woody plants of Sabah and Sarawak on the island of Borneo, often giving details of plant uses.
].
We do not have any more specific information on the wood of this species, but it belongs to a group of timbers collectively called 'Nyatoh'[
701
Title
Asean Tropical Plant Database
Publication
 
Author
 
Website
http://211.114.21.20/tropicalplant/index.jsp
Publisher
 
Year
 
ISBN
 
Description
Terse details, with photos, of many of the plants growing in the tropical forests of southeast Asia. Gives some details of plant uses along with a description of the plant and its range.
]. The general description of nyatoh wood is as follows:-
The heartwood is a dark pink to a red-brown; it is clearly demarcated from the 4 - 9cm wide band of sapwood. The texture is medium; the grain straight or interlocked, sometimes wavy. The wood is light in weight, soft to moderately hard; somewhat durable, being resistant to dry wood borers, moderately resistant to fungi but susceptible to termites. It seasons somewhat slowly, with a high risk of checking and distortion; once dry it is stable in service. There is a very variable content of silica according to the species, but in general the wood has a high blunting effect so stellite-tipped and tungsten-carbide tools are recommended; nailing and screwing are good, but require pre-boring; gluing is correct. The wood has a range of applications, including for highclass furniture and cabinet making, panelling, joinery, flooring, light carpentry, turnery, moulding and veneer[
848
Title
Tropix 7
Publication
 
Author
 
Website
http://tropix.cirad.fr/en
Publisher
CIRAD
Year
0
ISBN
 
Description
An on-line guide to the timbers of 245 species of trees.
].

Propagation

Seed -

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