Herbs perennial. Stems prostrate, freely branching, sparsely pubescent, rooting at nodes. Petiole 2-3.5 cm; leaf blade reniform to nearly circular, 0.8-1.5(-2.5) cm in diam., abaxially sparsely appressed pilose, adaxially glabrous. Pedicel erect, shorter than petiole, sharply recurved apically. Calyx broadly campanulate; lobes obovate-oblong to spatulate, 1.5-2 mm, becoming enlarged to 2.5 mm, margin densely pubescent. Corolla yellow, ca. 2 mm, 5-lobed to middle, glabrous. Stamens equal. Ovary pilose. Styles free, slightly unequal. Capsule subglobose, 2-2.6 mm, membranous, sparsely pubescent. Seeds yellow to brown, glabrous.

Antiviral