Subcanopy or canopy palm. Stem solitary, 10-20 m tall and 20-35 cm in diameter. Leaves 3.5-4.5 m long; pinnae 150-170 on each side, inserted in groups of 2-7 and spreading in different planes, the central ones 60-100 cm long and 3.5-5 cm wide. Inflorescence 1-1.5 m long, with 100-150 simple, spreading branches, to 65 cm long. Male flowers ca. 10 mm long. Female flowers 5-10 mm long. Fruit yellow to orange when ripe, 3-3.5 cm long and 1.5-2 cm in diameter, with seed round in cross-section.