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Guijo – Shorea guiso
Family: Dipterocarpaceae
Description: A large tree growing up to 40 m high and 180 cm diameter. Long exposed bark is light brown with corky pustules and sheds in scroll-shaped or almost-rectangular patches. Freshly exposed bark is light reddish brown. Inner bark is light reddish brown and stringy in texture. Leaves are lanceolate or ovate lanceolate to oblong, acute, or accuminate at apex, rounded or subcuneate at base, glabrous/ nearly glabrous. Guijo is distinguishable by dark-colored branchlets, pubescent. Leaf nerves at least 15 pairs.
Distribution: Luzon (Cagayan to Sorsogon); Mindoro, Panay, Negros, Masbate, Samar, Leyte, Mindanao, Basilan, Thailand, Malaya, Sumatra, Borneo
Habitat: In primary forest at low altitudes, usually occupying ridges.
Economic Importance: Wood is used for furniture and cabinet-making, ship and boat farming, frames in building construction such as posts, beams, trusses, studs, friction blocks, slips, alchohol tanks, and other uses requiring hard strong wood with beautiful grain.
Ecological Status: Depleted due to logging and kaingin-making.
