Rhododendron naamkwanense Merr.

Small shrubs, 1–1.5(–5) m tall; young shoots densely gray-brown strigose. Leaves all similar. Petiole 1–2 mm, coarsely gray-brown strigose; leaf blade leathery, oblong-obovate or oblong-oblanceolate, 1.5–4 × 0.5–1.2 cm; base cuneate; margin revolute, irregularly shallowly undulate-toothed; apex acute and mucronate; abaxial surface sparsely coarsely strigose especially on the midrib; adaxial surface with pale white wax when dried. Inflorescence 2–4-flowered. Pedicel ca. 0.7 cm, densely coarsely shiny-brown strigose; calyx obsolete, coarsely shiny-brown-strigose; corolla funnelform to narrowly campanulate, purple-red, the upper lobe with or without purple flecks, 2.5–2.8 cm; tube tapering toward the base, ca. 18 × 5 mm, outer surface glabrous, inner surface puberulent; lobes oblong-ovate to oblong-elliptic, ca. 1 × 0.8 cm; stamens 5, unequal, to 3.5 cm, exserted from corolla tube, filaments flat, with scurfy protrusion at base; ovary ovoid, densely shiny brown-strigose; style ca. 4 cm, longer than stamens, glabrous. Capsules long-ovoid, 5–6 mm, densely strigose. Fl. Apr–May, fr. Oct–Nov.

Guangdong, S Jiangxi.

Forests, shaded rocky cliffs; 300–500 m.

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

Rhododendron naamkwanense là một loài thực vật có hoa trong họ Thạch nam. Loài này được Merr. miêu tả khoa học đầu tiên năm 1934.

南昆杜鹃（学名：Rhododendron naamkwanense）为杜鹃花科杜鹃属下的一个种。