Shrub up to 3 m tall; stem erect or decumbent, unbranched or sparingly branched. Leaves flat, 20-45 cm long, 5-10 mm wide; margin smooth or minutely scaberulous, otherwise glabrous; lamina disarticulating readily 0.5 cm from base, remainder recurving strongly; apex minutely to conspicuously 3 or more toothed; sheath margins intact, white or straw-coloured. Male and female inflorescences similar, exceeding leaves, branched once or twice; branches whorled; scape shorter than rachis, flattened; flower clusters whorled. Cluster bracts inconspicuous, triangular to broadly triangular, shorter than flowers; bract and inner bract white. Flowers campanulate. Male flowers 3-4 mm long, virtually sessile. Female flowers sessile, length unknown. Sepals and petals similar except sepals shorter and thinner, cream.