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Botanical Name
| Shorea gibbosa Brandis |
| Genus | Shorea |
| Group | Yellow Meranti |
| Family | Dipterocarpaceae |
| Distribution | S. singkawang was once recorded from extreme southeast peninsular Thailand, and occurs in the Malay Peninsula, Lingga, and east Sumatra. It inhabits the lowland dipterocarp forests of the peninsula, from Kedah and Kelantan to southern Johor. It sometimes occurs on damp soil near streams, but more usually it favors well-drained, undulating land, up to an elevation of about 400 m. Although widely distributed, it was never very common. Subspecies scabrosa occurs only in eastern Terengganu and Pahang, where it is uncommon. Both subspecies are now critically endangered by land conversion. |
| Bole Characteristics | Usually a second-storey tree, but specimens of 3 m girth are occasionally found; buttresses irregular, sometimes running up to 4 m but usually shorter; bole frequently rather poorly shaped, usually yellowish grey-brown in color, irregularly fissured or scaly; crown rather large-leafed and dense. |
| Herbarium Characteristics | Elliptic-oblong, acuminate, about 20 x 8 cm but very variable, prominently about 9-nerved (ssp. singkawang), or 13-nerved (ssp. scabrosa), drying purple-brown, frequently curled up along the main axis; petiole wrinkled, about 15 mm long. |
