Class
Order
Family
Genus
Tufted perennial to 60 cm high. Stems 9–60 cm × 2–4 mm, flattened, lacking internal transverse septa. Leaves compressed, longitudinally multitubular, the individual tubes transversely-septate. Inflorescence 5–22 cm long with long branches and large distant flower-clusters. Stamens 3. Capsule c. 5 mm long, > tepals, triquetrous, long-tapered.
[From: Healy and Edgar (1980) Flora of New Zealand. Volume 3.]