Herbs biennial. Roots short, fibrous. Stems erect, subrobust, long branched, 6-14 cm, papillate. Leaves alternate or opposite; leaf blade ovate to suboblong, 5-6 mm, densely shortly and acutely papillate-hairy, base broad and obtusely spurred, apex obtuse. Cyme corymbiform, to 6 cm; bracts broadly lanceolate, mammillate. Flowers shortly pedicellate, 5-merous. Sepals brownish red or striate, oblong, equaling or longer than petals, base obtusely spurred, margin mammillate, apex subobtuse. Petals almost free, pale yellow, oblong-ovate, 4-4.2 mm, apex subacute and mammillate. Stamens 5, 3-3.2 mm. Nectar scales linear-spatulate, ca. 0.8 mm, apex rounded. Carpels suberect, oblong, 4-5 mm, adaxially mammillate, base connate for 1-1.5 mm. Styles long. Follicles 20-22-seeded. Seeds ovoid, ca. 0.5 mm, minutely mammillate. Fl. Aug-Sep, fr. Oct.
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