Herbs annual, glabrous. Stems branched from base, ascending, 1-2.5(-4) cm. Leaf blade narrowly oblong, 3-6 × 1-2 mm, base obtusely spurred, apex obtuse. Cyme corymbiform, few flowered; bracts narrowly oblong. Flowers shortly pedicellate, 5-merous. Sepals subovate, 3-4 mm, base spurless, apex obtuse. Petals free, yellow, suboblong, 3-4 mm, apex obtuse. Stamens 5, ca. 3 mm. Nectar scales narrowly linear-spatulate, 0.8-1.1 mm, apex obtuse. Carpels ovoid-oblong, ca. 4.2 mm, base subconnate, apex abruptly tapered; ovules 12-14. Styles ca. 1 mm. Follicles 6-8(-14)-seeded. Seeds oblong-ovoid, ca. 0.7 mm, minutely mammillate. Fl. Jul-Aug, fr. Aug-Sep.
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