T: USA, California, Trinity Co., N of Carrville, summit of Scotts Mtns, 24 Aug 1936, J.T.Howell 12750; holo: USNA; iso: CAS.
Perennials, 20–30 cm tall, loosely caespitose; rhizome creeping, long; stems slightly compressed, loosely tufted or spaced. Cataphylls 0–2, loose, brownish, to c. 7 cm long; basal leaves 2–4. Cauline leaves 2–3, flat, 12–15 (–30) cm long, 2–4 mm wide; sheaths ±loose; margins membranous; auricles scarious, oblong, obtuse, 1–2 (–3) mm long. Lower bract reduced, to c. 3 cm long, much shorter than inflorescence; margins papillose-serrulate. Inflorescence decompound, anthelate, loose, c. 4–9 cm long, of (2–) 3–9 hemispherical 3–8 (–10)-flowered heads c. 10–15 mm wide. Tepals subequal; outer tepals usually slightly shorter, ovate-lanceolate, 5.2–6.4 mm long, with central band pale green bordered deep castaneous and distally scabrid; apex acuminate, dark; margins membranous to brownish-scarious, broad, subabruptly narrowing (apex obtuse or mucronate), sometimes forming very short auricles. Stamens 6; anthers 1.8–2.6 mm long; filaments 0.5–1.0 mm long; style c. 0.6 mm long. Capsule trilocular, obovoid; apex subobtuse, subabruptly narrowing in a short mucro, c. 3.5–4.8 mm long, shorter than perianth, tan. Seeds ±ellipsoid, 0.5–0.7 × c. 0.25 mm long, conspicuously reticulate, brown; appendages distinct, 0.2–0.4 mm long each. Fig. 53.