mangroves
Tengar
Ceriops sp.

Family Rhizophoraceae

updated Aug 09
Where seen? These often neat and tidy mangrove trees are sometimes seen in our mangroves.

Features: A short tree sometimes just a bush, older plants may have well developed knee roots. The leaves are thick and spatula-shaped so they are sometimes mistaken for Teruntum (Lumnitzera sp.) But the flowers and propagules usually quickly distinguish the plants.

Human uses: Tengar (Ceriops tagal) is valued as timber, firewood and a source of dyes. It is also used in traditional medicine.

Status and threats: Tengar (Ceriops tagal) is listed as 'Vulnerable' and Tengar merah (Ceriops zippeliana) as 'Endangered' on the Red List of threatened plants of Singapore.

Pulau Semakau, Jan 09

Tengar putih
Ceriops tagal
   

Propagule usually hanging down.

Small flowers in a cluster
of many flowers.

Brown 'fruit' is smooth.
White collar on 'ripe' propagule.

Tengar merah
Ceriops zippeliana
   

Propagule usually pointing
upwards or sideways.

Small flowers in cluster
of fewer flowers.

Brown 'fruit' has textured surface.
Red collar on 'ripe' propagule.

Links

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.
  • Tomlinson, P. B., 1986. The Botany of Mangroves Cambridge University Press. USA. 419 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.
  • Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore. National Council on the Environment. 163pp.
  • 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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