Herbs perennial. Roots numerous, fibrous. Sterile shoots present. Stems 5-20 cm. Leaves alternate, less often 3-verticillate, ± crowded, sessile, spatulate to broadly obovate, 1.2-2 × 0.4-0.7 cm, base cuneate and shortly spurred, apex obtuse and apiculate. Cyme 3-branched, corymbiform, 5-7.5 cm in diam., minutely papillate; branches usually 2-forked. Flowers sessile, 4-or 5-merous. Sepals oblong-linear, oblong-lanceolate, or oblong-spatulate, unequal, 3-10 mm, base slightly widened and spurless, apex obtuse. Petals deep yellow, ovate-to lanceolate-oblong, 5-7 × 1.3-1.5 mm, apex acuminate and mucronate. Stamens 8-10, ca. 4 mm; antepetalous ones inserted near petal base. Nectar scales 4 or 5, subquadrangular, 0.6-0.8 × 0.5-0.6 mm, apex emarginate. Carpels 4 or 5, ca. 4 mm. Styles 1.5-1.8 mm. Follicles initially erect but later divergent. Seeds brown, oblong, ca. 0.3 mm, minutely mammillate.
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