Shorea guiso is a species of plant in the family Dipterocarpaceae. It is a tree found in Cambodia, Laos, Vietnam, Sumatra, Peninsular Malaysia, Borneo and the Philippines.
Shorea guiso is a tree that can grow up to 30-40m and its diameter can measure up to 1.80m or more. It can be differentiated by the color of its branchlets, which are dark. Primarily, its habitat can be found at low altitudes of the forest, normally inhabiting ridges.
The color of the bark is light reddish brown when it is newly bared. Its weight is usually moderately heavy to heavy and the wood is moderately hard to hard and splitting it can be tough. It has light grayish brown thin sapwood that can be clearly determined from the heartwood, which has a light ashy brown to brown in color, with occasionally reddish tint.
The shape of the leaves ranges from lanceolate or ovate lanceolate to oblong with nerves having at least 15 pairs. The leaf is also acute with an accuminate apex and a rounded base, and a glabrous or nearly glabrous skin. Shorea guiso is generally used for construction, furniture making, ship and boat farming, and other uses that need hard wood with aesthetically pleasing grain.