Herbs perennial. Sterile shoots numerous. Stems ascending, tufted, slender, 5-10 cm, woody. Leaves alternate; leaf blade linear to linear-lanceolate, 5-11 × 1-2 mm, base spurred, apex acute. Cyme 2-4-branched, many flowered. Flowers shortly pedicellate, unequally 5-merous. Sepals lanceolate-ovate, equal, 1.5-2.5 mm, base spurless, apex acute. Petals yellow, narrowly lanceolate, 5-7 mm, apex acuminate. Stamens 10, slightly shorter than petals. Nectar scales minute, base cuneate, apex broadly rounded. Carpels ± erect. Follicles stellately divergent, ovoid-oblong, 4.5-5 mm, many seeded, base connate for ca. 1.5 mm, apical beak erect, ca. 1.5 mm. Seeds oblong, less than 1 mm. Fl. Jul-Aug, fr. Aug-Sep.
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