T: New Zealand, South Is., Canterbury, Rangitata Valley, near Potts River bridge, 29 Oct 1964, E.Edgar; holo: CHR149586; iso: K.
Perennials, loosely tufted, forming loose cushions up to 3 cm tall; rhizome creeping to ascending, branched; stolons present, with base covered with membranous-scarious cataphylls with distinct veins. Leaves up to 4 cm long, c. 0.5–1.0 mm wide, involute to canaliculate; apex acute; margins ±smooth, usually densely ciliate. Stem abbreviated, much shorter than leaves, often not visible. Lower bract 1 (–3), usually 0.5–1.0 cm long, base and middle part herbaceous, otherwise ±membranous. Inflorescence reduced to a single (very rarely two) (3–) 6–16-flowered cluster. Bracteoles scarious, c. 1 mm long, ciliate. Tepals ±equal, glabrous, ovate-lanceolate, 1.7–2.1 mm long, scarious with pale castaneous base and midrib. Stamens 3, equalling to slightly exceeding perianth; anthers 0.4–0.6 mm long; filaments 1.4–1.8 mm long. Capsule ±globular, subacute, pale brown, ±equalling perianth; capsule segments 1.8–2.0 × 1.7–1.8 mm. Seeds ellipsoidal, c. 1.0–1.2 mm long, c. 0.6–0.7 mm wide; appendage c. 0.1 mm long, fibrillate. 2n=12, fide E.Edgar, New Zealand J. Bot. 4: 165 (1966).