Rhododendron fangchengense P. C. Tam

Shrubs, 4–9 m tall; older branches glabrescent, leaf traces conspicuous; branches stout, 5–6 mm in diam. below inflorescence, grayish brown tomentose when young. Petiole cylindric, 20–35 mm, pale gray or brown tomentose, glabrescent; leaf blade thickly leathery, long-lanceolate or narrowly oblanceolate, 8–15 × 1.5–3 cm; base cuneate; margin revolute; apex blunt; abaxial surface indumentum brownish; adaxial surface yellowish, with a thin wax coating, glabrous; midrib prominent abaxially, grooved adaxially; lateral veins obscure on both surfaces. Inflorescence 5–10-flowered; rachis ca. 10 mm, yellowish tomentose. Pedicel stout, 1–1.5 cm, pubescent; calyx discoid; lobes 5, ca. 1 mm; corolla funnel-campanulate, pink or white, 4–4.5 cm, lobes 5, orbicular, 1.5–2 cm; stamens 10, unequal, 2.2–3.5 cm, filaments pubescent below the middle; ovary cylindric-ovoid, ca. 6 × 4 mm, ca. 5-locular; style ca. 3.5 cm, densely brownish tomentose below, stigma glabrous, small. Capsule oblong-cylindric, ca. 10 × 6–7 mm; style persistent. Fl. Mar–Apr, fr. Jul–Aug.

S Guangxi.

Forests, thickets; 600–1400 m.

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

Rhododendron fangchengense là một loài thực vật có hoa trong họ Thạch nam. Loài này được P.C. Tam miêu tả khoa học đầu tiên năm 1982.

防城杜鹃（学名：Rhododendron fangchengense）为杜鹃花科杜鹃属下的一个种。