Description from Flora of China
Shrubs scandent, 3-4 m. Axial parts densely strigose. Roots woody, ca. 1 cm in diam. Stems terete, slender, bristly. Petiole 6-12 mm; leaf blade linear, 9-13 cm X 7-10 mm, abaxially densely strigose, adaxially sparsely strigose, base attenuate, margin entire, apex acute. Pedicel 1-2 cm. Flower solitary, axillary; bracts 2 (or 3), subulate, 5-6 X 1.5-3 mm, densely strigose abaxially, persistent. Sepals ovate, ± equal, ca. 10 X 5-6 mm, strigose abaxially, apex acute. Corolla pale purple, tubular-funnelform, 4-4.5 cm, midpetaline bands densely strigose outside; limb shallowly lobed. Stamens and pistil included; filaments ca. 1.4 cm, glandular pubescent basally; anthers oblong, ca. 4 mm. Disc ringlike, ca. 0.8 mm high. Ovary glabrous, 2-loculed, 4-ovuled. Style ca. 1.7 cm; stigma capitate, 2-globular. Fruit unknown. Fl. Sep.
* Grassy mountain slopes; ca. 1300 m. C Yunnan (Chuxiong Xian).