A tree that grows to a height of 36m with a girth of 2.7m. Crown is small. Bole is straight and nonbuttressed. Bark is grayish-black and smooth. Inner bark is granular, white and orange, and with a milky latex which can be used to make rubber. Stems are thick, fissured, lenticelled, articulated, and measuring up to 8mm in diameter. Leaves are simple, decussate, and exstipulate. Petiole is about 1cm long and channeled above. Blade is ovate, elliptical, 20cm × 10cm, and showing 6–10 pairs of secondary nerves visible below only. Fruits are impressively massive, woody, up to 80cm long pairs of follicles containing several linear hairy seeds up to 15cm long. |