Herbs annual, glabrous. Roots fibrous. Stems simple or 2- or 3-branched at base, erect, 1-1.8 cm. Leaf blade brown spotted, broadly oblanceolate to subobovate, 3.2-3.5 mm, base broadly spurred, apex obtuse. Cyme 1-3-flowered. Flowers unequally 5-merous; pedicel 2-3 mm. Sepals brown spotted, obovate to subobovate, 3.5-3.8 mm, base obtusely spurred, apex obtuse. Petals yellow, suboblong, 3.8-3.9 mm, base connate for ca. 0.3 mm, apex ± helmet-shaped. Stamens 10; antesepalous ones 3.5-4 mm; antepetalous ones inserted 1-1.2 mm from petal base. Nectar scales linear, 1-1.3 mm, apex obtuse to subrounded. Carpels free. Styles ca. 1 mm. Follicles oblong, 2.5-3.5 mm, 2-seeded; placenta falcate, 2-branched. Seeds narrowly obovoid, ca. 1 mm, smooth. Fl. Aug, fr. Sep.

* W Yunnan (Dali Xian).