Jelutong (Dyera costulata) Common Name(s): Jelutong Scientific Name: Dyera costulata Distribution: Malaysia, Borneo, and various regions in southeast Asia Tree Size: 100-200 ft (30-60 m) tall, 5-6 ft (1.5-1.8 m) trunk diameter Average Dried Weight: 28 lbs/ft3 (450 kg/m3