Herbs annual, glabrous. Stems many branched from base, ca. 1 cm; branches divergent. Leaf blade ovate to suborbicular on middle and distal stem leaves, 1-1.5 mm, basal spur broad or emarginate, apex obtuse. Cyme few flowered; bracts usually 2, subopposite, lanceolate, ca. 1.5 mm, apex apiculate. Flowers shortly pedicellate, mostly 5-merous. Sepals subovate, 1.5-2 mm, base spurless, apex subacute. Petals yellow when dry, oblong, ca. 2 mm, base broad, apex mucronate. Stamens 5, ca. 1.5 mm, base dilated; anthers nearly ovate-reniform, ca. 0.5 mm. Nectar scales narrowly linear, ca. 1 mm, apex slightly expanded. Carpels 3, slightly divergent, ca. 1.5 mm. Styles long. Follicles 1-or 2-seeded. Seeds lanceolate, ca. 1.5 mm, smooth, winged at both ends. Fl. Aug, fr. Aug.
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