Stem usually simple, sometimes branched proximally, 5-30 cm tall, proximally eglandular villous, distally glandular hairy. Leaf buds present in axils of at least proximal leaves, sometimes developing into sterile, leafy shoots by anthesis. Proximal cauline leaves caducous, less than 1/2 size of median ones. Median cauline leaves ovate or obovate to oblong, 0.8-4.3 cm × 3-13 mm, both surfaces strigose, base cuneate, margin sparsely 5-or 6-serrate or 2-or 3-denticulate, apex acute. Cyme 2-7 cm and 2-10-flowered or flower solitary; primary branches 2-5 cm, 1-4-flowered; pedicels 0.6-1.4 cm, glandular hairy. Sepals erect or spreading, ovate, 2.6-3 × 1.4-1.8 mm, abaxially glandular hairy, adaxially and marginally glabrous, veins 5-8, confluent at apex. Petals yellow, obovate, 6.4-7 × 3.1-4.3 mm, 4-6(-9)-callose, 3-8-veined, base gradually narrowed into a claw 1.5-1.8 mm, apex obtuse. Stamens 3.5-4 mm. Ovary subsuperior; styles 1.4-1.6 mm. Fl. and fr. Jul-Sep.
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