Stiff, leafy, clump-forming, rhizomatous, 60-90 cm high. Corm ± 3.5 × 1.5 cm, flattened; tunic fibrous, light brown, 3 or more successive corms at base of shoot. Leaves firm, ± erect to curving above, ± 2 cm wide, slightly < flowering scape, outer short and sheath-like at base of stem, with basal fan and a few cauline leaves, midvein ± conspicuous. Inflorescence 15-30 cm long, cymose, branches few, axis zigzag; spathe-valves reddish-purple-brown, ± 5 mm long at flowering, lengthening to 1 cm at fruiting. Flowers reddish-orange, ± 3 cm long, 4-5 cm diam., ± distant; tube narrow, 1 cm long; lobes spreading above, outer deeper coloured on back, subacute, inner obtuse, one wider than other two. Capsule ± 5 mm long, green, oblong-trigonous. Seeds c. 6 at maturity, ± 3 mm long, reddish-brown, compressed-triangular, surface minutely papillose.