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A, A fruiting individual of the Critically Endangered Calophyllum inophyllum found within the natural coastal forest (Photograph by: Chong Kwek Yan); B, Flowers of the Endangered Tristaniopsis whiteana, also found within the natural coastal forest; C, A mature tree of the Critically Endangered Ficus kerkhovenii found at the interface between the coastal forest and urbanised areas; D, A mature tree of the Endangered Ficus superba growing next to a building within the managed vegetation area (Photographs B-D by: Sherry Hung Ming Xuan). Scale bars for A = 6 cm, B = 1 cm.
Source publication
St. John's Island, officially known as Pulau Sakijang Bendera, has 258 vascular plant species from 81 families, of which 154 species are native, 76 are non-native and 28 are cryptogenic weeds. The native species include 22 nationally Critically Endangered species, 15 nationally Endangered species, 20 nationally Vulnerable species, 96 species that a...
Contexts in source publication
Context 1
... the narrow stretch of coastal forest that was surveyed, mature individuals of the Critically Endangered Calophyllum inophyllum (Clusiaceae) were found to be very widespread throughout the forest (Fig. 4A). Also, a grove of more than 50 mature individuals of Tristaniopsis species was found at the area indicated as point 25 on the vegetation map (Fig. 3). Examination of the voucher specimens showed that both Tristaniopsis obovata (Myrtaceae) and Tristaniopsis whiteana (Myrtaceae) (Fig. 4B) are thriving in the forest. The local ...
Context 2
... were found to be very widespread throughout the forest (Fig. 4A). Also, a grove of more than 50 mature individuals of Tristaniopsis species was found at the area indicated as point 25 on the vegetation map (Fig. 3). Examination of the voucher specimens showed that both Tristaniopsis obovata (Myrtaceae) and Tristaniopsis whiteana (Myrtaceae) (Fig. 4B) are thriving in the forest. The local conservation statuses of these two species are Critically Endangered and Endangered respectively (Appendix 1). Xylocarpus rumphii (Meliaceae), another Critically Endangered species, was also located along the forest fringe. Located at the interface between the coastal forest and urbanised areas are ...
Context 3
... two species are Critically Endangered and Endangered respectively (Appendix 1). Xylocarpus rumphii (Meliaceae), another Critically Endangered species, was also located along the forest fringe. Located at the interface between the coastal forest and urbanised areas are two mature trees of the Critically Endangered Ficus kerkhovenii (Moraceae) (Fig. 4C). Although most of the managed vegetation was not thoroughly surveyed, several other threatened species were found to be cultivated within the area, including the endangered Ficus superba (Moraceae) (Fig. ...
Context 4
... the interface between the coastal forest and urbanised areas are two mature trees of the Critically Endangered Ficus kerkhovenii (Moraceae) (Fig. 4C). Although most of the managed vegetation was not thoroughly surveyed, several other threatened species were found to be cultivated within the area, including the endangered Ficus superba (Moraceae) (Fig. ...
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Citations
... The species is found on a few islands located within Singapore's first Marine Park; these islands include Pulau Subar Laut (Big Sister's Island), Pulau Sakijang Bendera (St. John's Island) and Pulau Tekukor (Hung et al., 2017a(Hung et al., , 2017b(Hung et al., , 2017c. Remarks. ...
This paper is the eighth instalment of the continuing series on the tree species of the floristically diverse Nee Soon Swamp Forest, Singapore's last substantial tract of intact freshwater swamp forest. Here, we provide a key and species descriptions based on characters observable in the field and from dried specimens for the 14 species of the five genera of the family Sapotaceae found there. These five genera are: Madhuca (three species), Palaquium (six species), Payena (one species), Planchonella (three species) and Sarcosperma (one species). Of these, Sarcosperma paniculatum is a recent rediscovery in Singapore, and together with Palaquium microphyllum and Planchonella maingayi, represents a new record for the flora of the Nee Soon Swamp Forest. Madhuca tomentosa is a misapplied name and is determined to be another Madhuca species (here called Madhuca sp. 1), the identification or formal description of which await the collection of fertile specimens.
