Tall palms, trunk solitary,
annulate. Leaves 10-60, palmate or costapalmate, usually crowned, leaf-sheaths
open, often fibrous, fibres reddish-brown, petiole margins spiny, hastula
present, blades green, waxy, or dull-green, divided to almost half their
length, or almost to base into many segments, these again split and sometimes
pendulous at apices. Inflorescence of spadix, infrafoliar, bracts sheathing.
Flowers minute, bisexual, loosely panicled on spadix, sepals 3, petals 3.
Stamens 6, filaments connate at base. Carpels 3, ovary 3-locular. Fruit a
drupe, oblong-ellipsoid. Seeds erect.