Herbs annual. Roots fibrous. Flowering stems branched near base, erect or ascending, to 20 cm. Pseudopetiole ca. 6 mm; leaf blade ovate to orbicular, 1.5-3 × ca. 1.5 cm, base broadly cuneate, apex rounded, minutely papillate. Cyme large, many flowered; involucre absent; bracts linear-subspatulate, 3-3.5 × ca. 0.6 mm, apex acute and apiculate. Flowers unequally 5-merous. Sepals ovate, ca. 1 mm, base spurless, apex subacute. Petals yellow, ovate-oblong, 3.5-4.5 × 1.5-1.8 mm, base subconnate, apex subacute. Stamens 10, ca. 3.5 mm; antepetalous ones inserted near petal base. Nectar scales quadrangular-subspatulate, ca. 0.6 × 0.4 mm, apex subemarginate. Carpels erect, ovoid-lanceolate, 1.2-2 mm, base connate for ca. 4 mm. Styles 1-1.2 mm. Follicles 2-or 3-seeded. Seeds subovoid-oblong, 1-1.3 mm, smooth, winged at both ends.
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