Perennial herb, 0.8-1.0 m high; growing in tussocks. Leaves terete. Bracts closely imbricate, dull green to brownish, the lower lanceolate to acuminate; the upper tubular, sheathing flower buds. Spathe green, rigid, erect. Inflorescence slender, shortly pedunculate, composed of 2-6 cymes; flowers 2 or 3 per fascicle, developing from base to apex in axils of uppermost bracts; segments yellow, oblong to elliptical; style branched. Flowering time Feb., Sept. Capsule cylindrical to narrowly obovoid, truncate, dull green to brownish.
Robust, rhizomatous perennial to 1 m. Leaves terete. Flowers in a slender, shortly pedunculate inflorescence of 2-6 cymes, yellow.