Description from Flora of China
Basionym: Girardinia suborbiculata C. J. Chen, Acta Phytotax. Sin. 30: 476. 1992.
Herbs annual, monoecious, Leaf blade often suborbicular, rarely 3-lobed, base rounded or truncate, margin coarsely 8-13-dentate or doubly dentate, teeth gradually larger distally; petiole and veins on abaxial leaf face greenish. Male inflorescences spicate, 1-2 cm. Female inflorescences 1-6 cm, setulose in axil. Achene 2-2.5 mm, not elevated at base. Fl. Jul-Sep, fr. Sep-Nov.
Forest margins, partly shady moist places, along streams, disturbed places; (?100-)400-800 m. Hebei, W Henan, Jilin, Liaoning, E Nei Mongol, S Shaanxi [Korea].