T: USA, California, Monterey Co., between The Indians turnoff and N Fork San Antonio River, 12 May 1980, B.J.Ertter & J.L.Strachan 3366; holo: NY; iso: CAS, CPH, DAV, F, GH, ISC, K, LA, LE, MICH, MO, NY, OBI, P, PH, RM, RSA, SBBG, SD, TEX, UC, UTC, WTU.
Annuals, 0.7–5.5 (–6.5) cm tall. Stem erect, leafless, 0.1–0.3 mm thick; basal leaves to 1.5 cm long. Flowers 1 (–2), usually trimerous; bracts two, rounded to acutely ovate, usually unpigmented, sometimes brown-flecked or reddish at the base, 0.4–1.6 mm long; pedicels 0.3–0.6 mm long. Tepals ±broadly lanceolate, acute to acuminate, 1.6–3 (–4.2) mm long, 0.4–0.6 mm wide, subequal or differing by up to 0.2 mm (in some populations the long-acuminate outer tepals up to 1 mm longer than the inner); central band dark-tipped but otherwise remaining pale yellow-green and only slowly turning reddish. Stamens 2–3, 0.9–1.4 mm long; anthers 0.3–0.5 mm long, 1/3–1/2 filament length; style 0.2–0.4 mm long; stigmas 0.6–1.1 mm long, white. Capsule obovoid to elliptic, subequal to the tepals, differing by up to 0.3 mm, 1.3–2.9 mm long, remaining pale greenish or turning light reddish above as the seeds ripen. Seeds to 8 per row and c. 40 per capsule, globose-ovoid, 0.3–0.4 mm long, sometimes apiculate, distinctly ridged. 2n = 32, fide B.J.Ertter, Mem. New York Bot. Gard. 39: 27 (1986). Fig. 60.