Rhododendron tenue Ching ex W. P. Fang & M. Y. He

The original description was based on a type that originally possessed floral parts, which, however, no longer exist on the specimen.

Shrubs, branchlets slender, densely coarsely strigose. Petiole 2–5(–10) mm; leaf blade thin, papery, elliptic to long-ovate, 2–5.5(–10) × 0.9–1.9(–4.8) cm; base broadly cuneate or subrounded; margin obscurely crenate; both surfaces sparsely coarsely strigose; lateral veins only conspicuous on abaxial surface, not reaching margin. Inflorescence usually 2- or 3-flowered. Pedicel 0.4–0.5 cm, densely brown strigose, hairs flat; calyx obsolete; corolla funnelform, ca. 0.8 cm; tube ca. 5 mm, inner surface puberulent; stamens 5, unequal, 3 longer up to 1.2 cm, 2 shorter slightly longer than corolla, filaments flat, pubescent; ovary ovoid, coarsely strigose; style ca. 1.2 cm, as long as some of stamens, coarsely shiny brown-strigose in the lower half. Capsule conical, 5–6 × ca. 4 mm, densely coarsely strigose. Fl. May–Jun, fr. Jul–Nov.

NE Guangxi.

Dense forests, mountain slopes; ca. 1500 m.

Rhododendron tenue adalah spesies tumbuhan yang tergolong ke dalam famili Ericaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Rhododendron tenue sendiri merupakan bagian dari genus Rhododendron.

Rhododendron tenue là một loài thực vật có hoa trong họ Thạch nam. Loài này được Ching ex W.P. Fang & M.Y. He miêu tả khoa học đầu tiên năm 1982.

细瘦杜鹃（学名：Rhododendron tenue）为杜鹃花科杜鹃属下的一个种。