Roots branched, thick. Caudex few branched, short, 5-10 mm in diam. Flowering stems few, 10-20 cm × 2.5-5 mm. Stem leaves pale green, linear-lanceolate to lanceolate, 3-5 × 0.6-0.8 cm, base cuneate, margin apically roughly and deeply serrate, apex acuminate. Inflorescences compact, 2-3 cm in diam., bracteate. Flowers shortly pedicellate, unisexual, male ones unequally 4-or 5-merous. Sepals linear, 3-4 mm. Petals yellowish to yellowish white, linear-lanceolate, 5-6 mm, apex obtuse. Stamens 8 or 10, equaling or slightly longer than petals; filaments pale; anthers yellowish, sometimes reddish. Nectar scales subquadrangular. Carpels narrowly ovoid. Styles erect, long. Stigma wide. Follicles erect, oblong-lanceolate, 7-10 mm, apical beak ca. 1 mm. Seeds brown, obovoid. Fl. Jun-Aug, fr. Jul-Aug.
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