Description from Flora of China
Shrubs. Twigs rounded, 1–1.5 mm in diam., densely rust-colored setose when young. Leaves scattered; petiole 1–2 mm; leaf blade elliptic, obovate, or oblong-elliptic, 1.4–1.9 × 0.7–1 cm, thickly leathery, glabrous, abaxially smooth, adaxially rugose, secondary veins ca. 4 pairs, raised abaxially, base cuneate, margin revolute, undulate or remote denticulate, apex rounded. Inflorescences fasciculate, 1- or 2-flowered, pendulous. Pedicel 2–4 mm, setose, not expanded. Calyx densely rust-colored glandular setose; tube obconical, ca. 4 mm; limb divided to base; lobes ovate-lanceolate, 2.5–4(–6) mm. Corolla dull red, tubular; tube 1.6–1.7 cm, pubescent; lobes triangular, 1–2 mm, margin revolute. Filaments ca. 1.3 cm, densely pubescent; anthers ca. 6 mm, thecae papillate, tubules slightly shorter than thecae, with 2 spurs. Berry unknown. Fl. May.
This variety is distinguished from var. brachypoda (which occurs in Myanmar) by its elongate, slender twigs, narrower and smaller leaves, pedicels and calyx tube without white pubescence, and dull red (not white) corolla.
Forests, epiphytic on lower side of mossy boughs; ca. 2400 m. W Yunnan (Lushui).