Perennial, 9–37 cm tall, glabrous, caespitose or shortly stoloniferous, with stolons to 2 cm long. Stem with numerous basal and 1–2 cauline flat leaves; basal leaves 3–16 cm × 1.5–5 mm; cauline leaves 2.5–8.5 cm × 1.5–4.5 mm, sparsely pubescent to subglabrous at margins, without a mucronate projection on callose tip. Inflorescence terminal, simple to compound; secondary/primary pedicels ratio 0–0.6; primary pedicels 5–8, erect to ascending or spreading; flowers borne singly on primary or secondary pedicels. Basal bract to 2.5 cm long, shorter than inflorescence. Bracteoles 1.4–2.2 mm long. Tepals equal, 2.4–3.3 mm long, lanceolate, acuminate to mucronate, entire, pale brown to dark brown or purple with hyaline margins. Stamens 6; anthers 0.4–0.7 mm long, shorter than filaments; anther/filament ratio 0.3–0.7; style 0.5–0.7 mm long; stigmas 1.1–2.6 mm long, ±persistent. Capsule ovoid, subtruncate to acute, conspicuously exceeding tepals, light brown to stramineous; capsule/tepal ratio 1.1–1.9. Seeds ellipsoid, 1.1–1.3 × 0.9–1.1 mm, with apical appendages 0.6–1.6 mm long; seed/appendage ratio 0.8–1.5.