Pandanus subglobosus is a shrub with main stems green to gray, 5 – 7 m tall, 3 – 4 cm in diameter and studded with rough points. The stems are supported by numerous 2 – 3 m long prop roots that are about 2 cm in diameter. Leaves are up to 40 cm long and 4 – 7 mm wide, green above and pale below with dark green veins.
