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Useful Tropical Plants

Clausena excavata

Burm.f.

Rutaceae

+ Synonyms

Amyris punctata Roxb.

Clausena forbesii Engl.

Clausena lunulata Hayata

Clausena moningerae Merr.

Clausena punctata (Roxb.) Wight & Arn.

Clausena tetramera Hayata

Lawsonia falcata Lour.

Common Name:

Clausena excavata
Ripening fruits
Photograph by: Reuben C. J. Lim
Creative Commons License
Clausena excavata Clausena excavata Clausena excavata Clausena excavata Clausena excavata Clausena excavata

General Information

Clausena excavata is a profusely branched, evergreen plant ranging in size from a shrub just 1 - 2 metres tall in China to a small tree that is usually up to 10 metres tall, but exceptionally up to 15 metres[
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.
,
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The straight bole, which sometimes branches from the base, can be up to 20cm in diameter[
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.
,
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
].
The edible fruit is held in high esteem in many parts of the plants range, where it is often gathered from the wild for local use[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The tree also has edible leaves and is often cultivated as an ornamental[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
].

Known Hazards

None known

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.
,
728
Title
Adansonia Vol. 16
Publication
Bulletin du Muséum National d'Histoire Naturelle Tome 16
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Museum National D'Histoire Naturelle; Paris.
Year
1994
ISBN
0240-8937
Description
A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.

Range

E. Asia - southern China, India, Bhutan, Nepal, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Indonesia, Philippines.

Habitat

The plant establishes dense stands along the sides of roads and in disturbed areas[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. Evergreen and deciduous forests in Laos[
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
]. Secondary forest, brushwood and disturbed areas around villages, at elevations from sea-level to 1,500 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

Weed PotentialYes
Edibility Rating *  *  *
Medicinal Rating *  *
Other Uses Rating *  *
HabitEvergreen Tree
Height8.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details



The tree is often grown as an ornamental and there is one report, from Christmas Island, that the plant has escaped from cultivation and invaded native habitats[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
]. The plant is spread by bird-sown seeds[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
].

Edible Uses

Leaves - cooked and eaten as a potherb[
616
Title
The Flora of the Malay Peninsula
Publication
 
Author
Ridley H.N.
Website
http://www.biodiversitylibrary.org
Publisher
L. Reeve & Co. Ltd.; London.
Year
1922
ISBN
 
Description
An early flora of the Malay Peninsula.
]. The leaflets have a characteristic, curry-like smell when crushed[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
].

Fruit - raw[
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.
,
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The fruit has the taste of grapes, accompanied with a peculiar flavour, being very grateful to the palate[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The scanty pulp of the fruit has an aniseed flavour[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The translucent pink berries are 7 - 10mm in diameter, each containing 1 - 2 seeds[
653
Title
Plants of Southeast Asia
Publication
 
Author
 
Website
http://www.asianplant.net/
Publisher
 
Year
0
ISBN
 
Description
Excellent site with brief information on the plant, its range, habitat and uses, plus phots of specimens, close-ops of flowers and leaves etc,
]. The fruits can be up to 20mm in diameter[
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
].

Medicinal

The plant is considered to be astringent, bitter, emmenagogue and tonic[
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 many parts of its range, especially in the treatment of digestive complaints.

A decoction of the roots is used in the treatment of fevers, headaches and colic[
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
].
A decoction of the roots, flowers or leaves is taken for treating bowel complaints, such as colic, dyspepsia and stomach-ache[
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 pounded root or leaves are used externally as a poultice on sores, including ulceration of the nose, or sometimes for yaws[
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.
]. Ulcerations of the nose may also be treated by fumigation using burning leaves and bark[
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 taken after childbirth and also to treat stomach troubles[
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 juice from the leaves is taken as a treatment for intestinal worms or cough[
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.
]. They are used on their own, or in combination with Curcuma longa, for treating fevers, malaria or colds[
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.
].
Used externally, the pounded leaves may be applied to the head for relieving headaches whilst a poultice of the leaves is applied in the treatment of paralysis[
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.
].

An infusion of the stalks is taken orally for treating stomach aches[
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
].

Agroforestry Uses:

The plant is often fond on disturbed ground such as along the sides of roads. This makes it sound like a potential pioneer species, though the rate of growth needs to be known first. There is also a possible concern that the plant could escape from cultivation and invade native habitats, so it should possibly only be used as a pioneer within its native range[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Other Uses

The leaves and bark contain essential oils that are used in the perfume industry[
443
Title
Biotik, Laos
Publication
 
Author
 
Website
http://biotik.org/species_list_laos.html
Publisher
 
Year
0
ISBN
 
Description
Information on more than 100 species of Laotian trees.
].

The leaves are insecticidal[
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 wood is white and has a fine structure[
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.
]. Although often too small to be of much service, in Java the tree is large enough for the wood to be used for making axe 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.
].

Propagation

Seed -
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2018-09-25. <tropical.theferns.info/viewtropical.php?id=Clausena+excavata>

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