Herbs perennial, 10--30 cm tall. Stems erect to ascending-erect, often prostrate at base, simple or branched. Leaves opposite. Lower leaves much smaller. Upper 2 pairs of leaves closely crowded; petiole 4--10(--15) mm; leaf blade ovate to ovate-lanceolate, 1.5--8 X 0.8--4 cm, pilose or bristly, base broadly cuneate, apex acute. Inflorescences terminal, capitate, 3- to many flowered. Pedicel ascending-erect in fruit, 1--7 mm. Calyx lobes lanceolate, 6--9 mm, apex acuminate. Corolla yellow; tube 3--4.5 mm; lobes obovate-oblong, sparsely transparent glandular, apex acute to rounded. Filaments connate basally into a 3--4 mm high tube, free parts 2.5--5 mm; anthers ovate-lanceolate, dorsifixed, opening by lateral slits, ca. 2 mm. Ovary apex puberulous; style to 8 mm. Capsule subglobose, 3.5--4 mm in diam.

* Broad-leaved forests, streamsides, wet forest margins; 600--2600 m. Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang