Large tufts or small trees; stems up to 1.5 m long, erect or reclining. Leaves flat, 60-150 cm long, 10-20 mm wide, glabrous; apex rounded; sheath margins intact, reddish brown. Male and female inflorescences similar, longer than leaves, well-branched; branches whorled; scape shorter to longer than rachis, somewhat compressed; flower clusters whorled. Cluster bracts inconspicuous, ovate, acute, shorter than flowers; bract and inner bract white. Flowers campanulate, 4-6 mm long, shortly pedicellate; pedicel up to 3.5 mm long in male, c. 0.5 mm long in female. Sepals and petals similar, white or cream.