Rhododendron octandrum M. Y. He

Shrubs, ca. 2 m tall; branches many, fine; young shoots densely brown-strigose, hairs flat. Petiole 2–4 mm, densely brown-strigose; leaf blade thinly papery, narrowly elliptic-lanceolate or oblong-lanceolate, 4–4.5(–8) × 1.5–2 cm; base cuneate or broadly cuneate; margin entire; apex long-acuminate, mucronate; both surfaces densely coarsely yellowish brown strigose when young. Inflorescence 3–5-flowered. Pedicel ca. 0.4 cm, densely yellowish brown strigose; calyx lobes lanceolate, ca. 3 mm, outer surface coarsely strigose; corolla funnelform, pale red, yellowish when dried, without purple flecks, 2.2–2.7 × ca. 2.5 cm; tube cylindric, 12–14 × 4–5 mm in diam. at base, outer surface glabrous; lobes 5, spreading, membranous, oblong or obovate, 1–1.2 × ca. 0.6 cm, pubescent within; stamens 8, unequal, 2.3–2.7 cm, filaments flat, puberulent below; ovary conical, ca. 3 mm, densely coarsely yellowish brown strigose; style ca. 2.5 cm, slightly exserted, glabrous. Capsule conical, ca. 6 mm, coarsely strigose. Fl. May, fr. Sep.

NE Guizhou.

Open valley forests; ca. 1400 m.

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

Rhododendron octandrum là một loài thực vật có hoa trong họ Thạch nam. Loài này được M.Y. He miêu tả khoa học đầu tiên năm 1987.

八蕊杜鹃（学名：Rhododendron octandrum）为杜鹃花科杜鹃属下的一个种。