Leaves 15–45 cm long, glabrous; basal sheath 7–16 cm long. Inflorescence borne on an axis (10–)25–90 cm long; axis woolly with soft white hairs; inflorescence-leaves 15–25 mm long, 7–10 mm wide, progressively smaller (hence, bract-like) from base to apex of inflorescence, woolly with soft white hairs; 10–c. 40-flowered per spike. Perianth yellow; outer segments ovate, 10–12 mm long, 7–10 mm wide; inner segments narrowly ovate, 3–6 mm long, 1–2 mm wide; stigma capitate. Fruit woolly with soft white hairs; valves 7–11 mm long. Flowers Dec.–Mar.(–Apr.).