Christoph., Results Norweg. Sci. Exped. Tristan da Cunha 11: 3 (1944)
T: Tristan da Cunha, above Soggy Plain, 1100–1200 m, 19 Feb 1938, Y.Mejland 1516; holo: O, photo NY; iso: BM, GH, K, LD, O, S.
Perennials, loosely caespitose, to 16 cm tall; rhizome creeping to ascending, often stoloniferous, covered with scales; stems erect, rigid, 0.7–1.0 mm in diam.; cataphylls coriaceous, with two prominent veins, to 3–5 cm long; rudimentary blade to c. 2 mm; basal leaves usually to 10–12 cm long, 1.2–1.7 mm wide, flat, canaliculate, arcuate to circinnate, subobtuse to subacute. Flower bracts 2; lower bract 1.2–1.9 (–2.5) cm long; upper bract slightly shorter to ±equalling perianth. Pedicel short. Tepals subequal, lanceolate, castaneous-brown; margins membranous-stramineous, ±involute; outer tepals 8–10 mm long; inner tepals7–9 mm long. Stamens 5–6 mm; anthers c. 2 mm long; filaments to 4 mm long; style 1.5–2.0 mm; stigmas 1.5–2.5 mm. Capsule obovoid, 4.5–5.5 mm long, ±brown, shining to dull. Seeds narrowly ovoid, 1.0–1.2 mm long, shining, with fine longitudinal pattern.