Herbs annual. Stems frequently branched from base, 15-20 cm tall, pubescent. Basal leaves linear-spatulate, ca. 1.5 cm × 3-4 mm, pubescent; stem leaves sessile, oblong-linear, 1-2 cm × 3-5 mm, abaxially densely minutely hispid, hairs discoid at base, adaxially glabrous or sparsely short hispid, apex obtuse. Inflorescences to 7 cm in fruit, lax; bracts linear to narrowly ovate, slightly longer than fruit. Fruiting pedicel 0.5-1.5 mm. Calyx 5-parted; lobes linear, short hispid, enlarged, ca. 3 mm, longer than fruit. Corolla white, narrowly campanulate, ca. 2 mm; limb shorter than tube. Style not surpassing nutlets. Nutlets narrowly triangular-ovoid, ca. 2 mm, adaxially glabrous or with a few tubercles at base; disc narrowly ovate, with 1(-3) rows of glochids or finely tuberculate on middle, with 1 row of marginal glochids 0.2-0.5 mm.
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