Leaf forming closed sheath 30–50 mm above ground before expanding to linear blade, 10–150 × 1–2 mm, green with reddish base. Flower stem pink, 150–300 mm tall, 2–10-flowered. Sterile bract 1. Ovaries and capsules pale yellow-green. Buds pink. Flowers 10–15 mm across, internally pale blue to lilac, externally lilac and green. Sepals and petals 6–10 × 3–6 mm. Column 4–5 × 2–3 mm, white or pale blue; post-anther lobe c. 2 × 2 mm, pale yellow with brown to purple collar, hooded, apex ribbed or crinkled; column arms converging, c. 1 mm long, curved upwards; hair tufts mop-like, untidy, white, held in front of column; individual hairs c. 1 mm long.