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          | Pink-eyed 
            pong pong tree Cerbera manghas
 Family Apocynaceae
 updated Jan 13
 Where seen? This beautiful tree with pretty pink-eyed white 
            flowers is rare. Even in the past it was rare, among the locations 
            where it was found were Pasir Panjang and Katong, shores now already 
            reclaimed. It now found in the wild on Chek Jawa, with a large stand 
            at Pulau Semakau. They are also planted at St. John's Island. According 
            to Giesen, it is found in coastal swamp forests or on beaches, preferring 
            well drained sandy soils, exposure to sea breezes but not regularly 
            inundated by tides.
 
 Features: Tree up to 15-20m tall, 
            but in Singapore usually shorter. Produces a white sap from all broken 
            plant parts. Bark fissured, flaky, grey to brown with lenticels.
 
 Leaves oval (12-30cm long) dark green and glossy, held in dense spirals 
            at the tips of the twigs. Leaves generally smaller than that of the 
            more common Yellow-eyed Pong pong tree (Cerbera 
            odollam).
 
 Flowers (3-4.5cm) white with pink centre, first orange pink then reddish 
            pink. The flowers appear at the tips of the twigs.
 
 Fruits mango-shaped or oblong (5-7cm) glossy hard, often paired. Green 
            ripening pink, rosy purple and finally black. The fruits float are 
            dispersed by water. When they wash up, often only the fibrous husk 
            is left, around a hard stone.
 
 It is the caterpillar host-plant of the King Crow butterfly (Euploea 
            phaenareta castelnaui).
 
 Human 
            uses: See the fact sheets on Cerbera 
            species in general for more about their uses.
 
 Status and threats: The tree  
            is listed as 'Critically Endangered' on the Red List of threatened 
            plants of Singapore.
 
 |  
               Near the high 
              water mark
 on a natural rocky shore.
 Chek Jawa, Oct 09
 |  
         
          |  Pulau Semakau, Jan 09
 |  |  |  
         
          |  Pulau 
              Semakau, Sep 09 |  Pulau 
              Semakau, Feb 09
 |  |  
         
          |  Planted in park. St. John's Island, Jul 09
 |  Chek Jawa, 
              Apr 08 |  Chek Jawa, 
              Jun 09
 |  
 Pink-eyed 
        Pong pong trees on Singapore shores  
 
 
         
          | Links 
              Cerbera 
                manghas 
                on the NParks Flora and Fauna website: photos and fact sheets.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.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.Tomlinson, 
                P. B., 1986. The 
                Botany of Mangroves Cambridge University Press. USA. 419 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.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 Yeow 
                Chin. 1992. A 
                Guide to Medicinal Plants. The Singapore Science Centre. 
                160pp. |  |  |