Rhododendron atrovirens Franch.

Shrubs, 1–2 m tall; young shoots slender, subverticillate, densely coarsely brown strigose. Leaves all similar. Petiole 3–8 mm, coarsely brown-strigose; leaf blade papery, lanceolate, ovate-lanceolate or elliptic-lanceolate, 2.5–8.5 × ca. 3 cm; both surfaces densely coarsely strigose. Inflorescence 2–4(–7)-flowered. Pedicel ca. 0.8 cm, densely coarsely brown strigose, hairs flat; calyx lobes triangular-ovate, very small; corolla funnelform, red, with darker flecks at base of upper lobes, ca. 2.2 cm; tube narrowly cylindric, outer surface glabrous, inner surface pubescent; lobes oblong, obtuse; stamens 10, unequal, as long as the corolla, filaments puberulent below; ovary conical-ovoid, ca. 5 mm, densely coarsely shiny brown-strigose; style longer than stamens, glabrous. Capsules long-ovoid, ca. 6 mm in diam., densely long-brown-strigose. Fl. Apr–May, fr. Jul–Nov.

Sichuan, Yunnan.

Evergreen broad-leaved forests; 1200–1800 m.

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

Rhododendron atrovirens là một loài thực vật có hoa trong họ Thạch nam. Loài này được Franch. miêu tả khoa học đầu tiên năm 1886.

大关杜鹃（学名：Rhododendron atrovirens）为杜鹃花科杜鹃属下的一个种。