Foliage leaves 5–7, the lower 3–4 leaves more or less basal and larger than the others, reaching to about the base of the spike, (8)10–15 mm wide, narrowly lanceolate to linear, the midrib and margins hyaline and slightly thickened; the upper leaves cauline and decreasing in size above.
Corms 20–35 mm in diameter, bearing several broad fasciated stolons from the base, each with numerous terminal cormlets; tunics of papery to matted-fibrous layers, fragmenting irregularly or breaking into vertical fibres below.
Spike 4–8-flowered, flexed at the base; bracts green below, membranous above and becoming dry and light-brown apically, (30)40–45(55) mm long, lanceolate-attenuate, the inner slightly shorter than the outer and forked apically.
Filaments c. 30 mm long, exserted 14–18 mm; anthers 7–8 mm long, apices with vestigial appendages less than 0.2 mm long.
Style dividing near the anther apices, style branches c. 3.5 mm long, spreading beyond the anthers.
Capsules 10–16(20) mm long, obovoid-ellipsoid.
Stem unbranched, rarely with 1 short branch.
Plants 70–110 cm high.