Plant tufted. Leaves 20-70 cm long; apex broadly acute or obtuse; sheath margins dark or light brown. Inflorescence with scape hidden by leaf bases or exserted. Male inflorescence branched; flowers separate or 2 together. Female inflorescence branched or unbranched. Bracts broadly acuminate, 1-3 mm long; inner bract evident or not. Flowers pedicellate, greenish-yellow to dark red, usually with pale margins; males 1.5-3 mm long, females 3-5.5 mm long. Sepals and petals similar, spreading or reflexed at anthesis.