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Kalak
kambing
Finlaysonia obovata
Family Apocynaceae
updated
Nov 10
Where seen? This climber with distinctive horn-like fruits
is rarely seen. According to Hsuan Keng, it is found in mangroves
and tidal river banks including at Kranji and Geylang. Ang et al have
found it in some of our remaining mangroves. Generally uncommon in
global distribution, but where they occur, they can be common. Usually
found in mangroves and on borders of tidal creeks and fishponds.
Features: A slender, woody climber
up to 5m long. Scrambling over and draping mangrove trees. Leaves
fleshy (5-10cm) green, arranged opposite one another. Flowers small
(about 1cm) with fuzzy petals, arranged in a branched inflorescence.
According to Giesen, the flowers have a noxious smell. According to
Ang et al, it is believed to be pollinated by flies and beetles that
are attracted to rotting carcasses. In Java it flowers comparatively
rarely. Fruits are green, ribbed (8-10cm) in a pair, described as
resembling the horns of a buffalo. Bark pale, warty and papery. A
white latex oozes out of all broken surfaces.
Human
uses: According to Burkill, the leaves are eaten in salads
in the Moluccas, but "apparently this use does not extend to
Malaya". According to Ang et al, this plant was recently found
to contain substances that have antibacterial properties against fish
diseases.
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Kranji Canal,
Mar 09
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| Status
and threats: This climber is listed as 'Critically
Endangered' on the Red List of threatened plants of Singapore.
This is because it is estimated that there are fewer than 50
mature individuals left in the wild with some evidence of decline
and fragmentation of its natural habitat. |
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Kranji Canal,
Mar 09

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Kranji Canal,
Mar 09

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Kranji Canal,
Mar 09

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Pulau Ubin,
May 09

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Pulau Ubin,
May 09

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Pulau Ubin,
May 09
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Kranji Canal,
Dec 10

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Kranji Canal,
Dec 10
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Kranji Canal,
Dec 10
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Mandai, Mar
11
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Mandai, Mar
11
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Mandai, Mar
11
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Mandai, May
11
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Mandai, May
11
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Mandai, May
11
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Links
References
- Ang, W. F.,
P. X. Ng, S. Teo, A. F. S. L. Lok & H. T. W. Tan, 2010. The status
and distribution in Singapore of Finlaysonia obovata Wall.
(Apocynaceae). Nature in Singapore, 3: 7–11. [PDF,
476 KB]
- Hsuan Keng,
S.C. Chin and H. T. W. Tan. 1990, The
Concise Flora of Singapore: Gymnosperms and Dicotyledons
.
Singapore University Press. 222 pp.
- Davison,
G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore
Red Data Book: Threatened plants and animals of Singapore.
Nature Society (Singapore). 285 pp.
- Burkill,
I. H., 1993. A
Dictionary of the Economic Products of the Malay Peninsula
.
3rd printing. Publication Unit, Ministry of Agriculture, Malaysia,
Kuala Lumpur. Volume 1: 1-1240; volume 2: 1241-2444.
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