Herbs perennial. Stems simple or apically branched, ascending, 10-20 cm. Leaves alternate proximally on stem, usually deciduous, crowded distally on stem; leaf blade linear-cuneate, spatulate, or obovate, 1.2-3 × 0.2-0.6 cm, base narrowly cuneate and spurred, apex obtuse and sometimes emarginate. Cyme corymbiform, 5-8 cm in diam., many flowered; bracts leaflike, small. Flowers sessile, unequally 5-merous, ca. 1 mm in diam. Sepals linear-spatulate, 3-5 × 1-1.5 mm, base spurred. Petals yellow, lanceolate to lanceolate-oblong, 4-6 × 1.6-1.8 mm, base connate, apex mucronate. Stamens 10; antesepalous ones ca. 4 mm; antepetalous ones ca. 2.5 mm, inserted 1-1.5 mm from petal base. Nectar scales spatulate-quadrangular, ca. 1.2 mm, apex obtusely truncate. Carpels erect, ovoid-lanceolate, ca. 4 mm, base connate. Styles ca. 1 mm. Follicles obliquely divergent. Seeds numerous, brown, ca. 0.6 mm. Fl. Apr-May, fr. Jun-Aug.