Herbs biennial, glabrous. Stems branched from base, erect or ascending, 2-4 cm. Leaf blade oblong to subovate, 4.5-10 mm, base truncately spurred, apex obtuse. Cyme corymbiform, dense, many flowered; bracts oblong to subovate. Flowers unequally 5-merous; pedicel ca. 3.5 mm. Sepals oblong to obovate, 3.2-6.5 mm, base obtusely to truncately spurred, apex obtuse. Petals free, yellow, oblong to suboblong, 5.5-6 mm, apex obtuse. Stamens 10; antepetalous ones inserted 0.5-1.5 mm from petal base. Nectar scales linear to sublinear-spatulate, 1.6-1.8 mm, apex obtuse. Carpels basally connate for 0.5-1 mm. Follicles oblong, 5-6.5 mm, 3-5-seeded. Seeds oblong, minutely mammillate, basal appendage tobacco pipe-shaped; funicle long. Fl. Jul-Aug, fr. Aug-Sep.
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