Rhododendron crassimedium P. C. Tam

Shrubs, 0.5–1 m tall; branches densely coarsely gray-brown strigose. Summer and winter leaves different. Petiole ca. 2 mm, strigose; leaf blade ovate, 1.3–1.5 × 0.7–0.8 cm; base cuneate or broadly cuneate; apex acuminate, also mucronate; abaxial surface densely tomentose, also sparsely coarsely ferruginous-strigose; adaxial surface dark green, densely covered with fine warts, sparsely pubescent. Inflorescence 3–6-flowered. Pedicel 0.6–0.7 cm, densely appressed-strigose; calyx lobes subcrenate, ca. 6 × 1 mm, densely coarsely ferruginous strigose; corolla funnelform, ca. 1.2 × 1.5 cm; tube cylindric, ca. 7 × 3.5 mm, outer surface glabrous, inner surface puberulent; lobes elliptic-oblong or oblong, ca. 0.5 × 0.3 cm, apex subrounded; stamens 5, unequal, 1.3–1.5 cm, filaments flat, glabrous; ovary ovoid, ca. 3.5 mm in diam., densely strigose; style stout, 1–1.2 cm, shorter than stamens, glabrous. Fl. Apr–May.

Jiangxi.

Open thickets; 1000–1600 m.