Herbs perennial, 6--30(--45) cm tall. Stems erect or prostrate in lower part, simple or branched from base, fulvous pubescent. Leaves opposite, upper 2 pairs closely crowded; petiole 1--2.5 cm, densely pubescent; leaf blade ovate to ovate-lanceolate, ciliate, strigillose, densely black glandular striate and punctate; veins inconspicuous. Racemes terminal, abbreviated, capitate; rachis to 1 cm; bracts broadly elliptic to broadly obovate, 6--25 X 5--14 mm, strigillose. Pedicel 2--3 mm, densely pubescent. Calyx lobes narrowly lanceolate, 6--8 mm, margin membranous, abaxially pubescent, black glandular striate. Corolla yellow; tube 3--5 mm; lobes lanceolate, 7--10 mm, densely black glandular striate, apex obtuse to acute. Filaments connate basally into a 2.5--3.5 mm high tube, free parts 3--5 mm; anthers oblong, dorsifixed, opening by lateral slits, ca. 1.5 mm. Capsule subglobose, 4--5 mm in diam.

* Wet areas, streamsides, woodlands, under shrubs, open forests; 200--900 m. SW Fujian, Guangdong, Guangxi, Guizhou, S Hunan, S Jiangxi