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Ketapang
pasir or
Beach gardenia
Guettarda speciosa
Family Rubiaceae
updated
Jan 13
Where seen? This beautiful tree with large leaves and small
white flowers is sometimes seen growing on our sandy and rocky shores.
It is also planted in coastal parks and other public places. In Singapore,
it was found on sandy and rocky shores including Pulau Seletar. According
to NParks, it is found at Pulau Semakau, Pulau Ubin, and Pulau Unum.
Elsewhere, it is found on rocky and sandy sea shores and margins of
mangroves.
Features: A spreading shrub or
tall tree (4-22m). Bark is smooth and grey-brown.
Leaves resemble those of the Sea
almond (Terminalia catappa). The leaves are large (10-25cm
long) oval with hairs on both sides or only below. The leaves are
arranged opposite one another.
Flowers small (1-3cm) white tubular appearing in clusters on long
stalks (6-9 cm) from leaf axils. Corners describes them as "typical
moth flowers" being white, with a long corolla tube and fragrant.
They open an hour after sunset and fall off the following morning.
The tree flowers throughout the year.
Fruits small and round (2-3cm), green and smooth at first, turning
whitish or pinkish with faint ribs. They have a hard stone with 4-6
cells, each containing one seed. It is believed that the buoyant fruits
are dispersed by water although some accounts suggest they are also
dispersed by bats.
Sometimes mistaken for the Sea
almond or Ketapang (Terminalia catappa). Thus one of its
Malay names is 'Ketapang pasir' which means 'Sea almond of the shore'.
Here's more on how to tell apart Sea almond
and other similar trees on the shores.
Human uses: According to Giesen, the bark is used to treat
dysentery as well as applied to wounds. The fragrant flowers were
strung into garlands. The timber is used in Fiji for house blocks,
although it is considered of little value elsewhere. The bark is used
in traditional medicine in some places.
Status and threats: This tree
is listed as 'Endangered' in the Red List of threatened plants of
Singapore.
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Pulau Semakau, Apr 09
Pulau Semakau, Apr 09
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Pulau Semakau, Apr 09
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Pulau Semakau, Apr 09
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Pulau Semakau, Apr 09
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Pulau Semakau, Apr 09
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Pulau Semakau, Apr 04
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Pulau Hantu, Apr 09
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Ketapang
pasir on Singapore shores
Links
- Guettarda
speciosa on Total Vascular Flora of Singapore Online:
photos and fact sheet.
- Guettarda
speciosa on the NParks Flora and Fauna website: photos
and fact sheet.
- Giesen, Wim
and Stephan Wulffraat, Max Zieren and Liesbeth Scholten. 2006.
Mangrove
Guidebook for Southeast Asia (PDF online downloadable).
RAP publication 2006/07 Food and Agriculture Organization of the
United Nations Regional Office for Asia and the Pacific Bangkok.
References
- 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.
- Tan, Hugh
T.W. and T. Morgany. 2001. Growing
the Native Plants of Singapore. BP Science Centre Guidebook.
168pp.
- Corners,
E. J. H., 1997. Wayside
Trees of Malaya: in two volumes.
Fourth edition, Malayan Nature Society, Kuala Lumpur. Volume 1:
1-476 pp, plates 1-38; volume 2: 477-861 pp., plates 139-236.
- 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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