Perianth vermilion-red tipped with green, 30–37 mm long, c. 7 mm in diameter across the ovary, cylindric-trigonous, narrowing towards the mouth, rounded at the base; outer segments free to the base with tips slightly spreading.
Raceme 6–10 × 6 cm, cylindric, ± laxly flowered, with overlapping bracts in bud; bracts 18–25 × 8–10 mm, broadly ovate with rounded apices, orange-brown; pedicels 25–30 mm long, elongating to 35 mm in fruit.
Inflorescence simple, erect to 30–50 cm high, or pendent and curving upward to bear the raceme erect; peduncle with several large, sterile, broadly ovate, papery brown bracts on the upper half, 2–4 cm apart.
Perennial herb, suckering to produce dense clusters of erect, spreading or pendent stems 1–2 m in diameter.
Capsule stipitate for 0.5 mm, 14–18 × 5–6 mm, oblong, grey.
Seeds c. 2 × 3.5 mm, very narrowly winged, black.
Stems up to 30 cm long or more, 1–2 cm thick.
Stamens and stigma scarcely exserted.