Description from Flora of China
Shrubs 2–3 m tall. Twigs sparsely pubescent. Leaves pseudoverticillate; petiole 2–7 mm; leaf blade narrowly lanceolate to elliptic, 4–12 × ca. 1.2 cm, both surfaces with sparse glandular hairs, midvein prominently raised abaxially and adaxially, secondary and fine veins reticulate, raised abaxially, inconspicuous and slightly raised or flat adaxially, base narrowly cuneate, margin toothed or inconspicuously so on upper half, apex acute. Inflorescences racemose, erect; rachis 15–20 cm, sometimes with basal branches. Pedicel ca. 5 mm. Calyx lobes narrowly triangular, 5–7(–13) mm. Corolla tubular-urceolate, 8–10 mm; lobes broadly triangular. Filaments geniculate, ca. 6 mm, pubescent. Ovary conical, densely fulvous hairy; style strongly sunken into apex. Capsule subglobose, ca. 5 mm in diam., pubescent. Seeds angled-ovoid, 1–1.5 mm. Fl. Apr–Jun, fr. Jul–Sep.
Streamsides in forests, thickets, low hills; ca. 700 m. Fujian, Guangdong.