Trunk solitary, annulate, erect, up to 12 m tall, 60-90 cm thick. Leaves up to 3.5 m or more long and up to 3 m wide, not grouped in a terminal crown, but arising successively along the trunk for a good distance below the summit. Leaflets obliquely truncate, 1.2-1.5 m long, alternate, swollen at the point of insertion, outer margin of the leaflets produced into a narrow point, bright green from the lower side; petiole stout; sheath smooth, margin fibrous. Inflorescence axillary, very large, 3 m or more long, pendulous, once branched, branches of equal length. Peduncle curved, thick, enveloped with large bracts, male flowers much larger than the female flowers, longer than broad, slender, 1.2 cm or more in length; calyx 3-lobed, sepal’s margin ciliate; corolla 3-lobed, valvate, woody; stamens 40-45, as long as the petals, anthers acuminate, basifixed, filaments 1-1.5 mm long; pistillode absent; female flower: sepals as in the male; petals 3, lobes valvate, short; staminodes 3. Fruit small, 2 cm in diameter, juicy, juice irritant due to oxalate crystals. Seeds 1-2.