Herbs annual, dark purplish red. Stems branched from base, 5-6 cm. Leaf blade ovate, 3-6 mm, base spurred, apex obtuse. Cyme many flowered. Flowers unequally 5-merous. Sepals narrowly ovate, 2.5-3 mm, base spurless, apex obtuse. Petals yellow, oblong, ca. 3.2 mm, base subconnate, apex mucronate. Stamens 10, all shorter than petals; antepetalous ones inserted ca. 0.8 mm from petal base. Nectar scales broadly spatulate, ca. 0.2 × 0.3 mm, apex dilated. Carpels suberect, narrowly oblong, ca. 3.5 × 1.2 mm, base subconnate. Follicles 6-or 7-seeded. Seeds narrowly ovoid, ca. 0.8 mm, mammillate. Fl. Jul-Sep, fr. Sep.
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