钝头杜鹃 dun tou du juan

Shrubs, 1–2 m tall; shoots stout, 4–5 mm in diam. below inflorescence, thinly gray tomentose, later glabrescent. Petiole stout, ca. 10 mm; leaf blade leathery, obovate to oblong-elliptic, 5–8 × 2–3 cm; base cuneate; apex obtuse or blunt; abaxial surface with indumentum 2-layered, upper layer fawn woolly-tomentose; lower layer white and compacted; adaxial surface green, bullate, glabrous; midrib prominent abaxially, deeply impressed adaxially; lateral veins 12–14-paired. Inflorescence short, ca. 5- or 6-flowered; rachis ca. 5 mm, tomentose. Pedicel 1–1.5 cm, clad with whitish to tawny tomentum; calyx lobes 5, minute, triangular, rufous-tomentose; corolla campanulate, white, 3–3.5 cm, glabrous outside, puberulent on inside at base; lobes 5, orbicular, 1.5–2 cm, emarginate; stamens 1.5–2 cm, filaments pubescent at base; ovary ovoid or oblong-cylindric, 5–7 mm, densely fawn tomentose; style glabrous. Capsule not known.

Thickets; ca. 3200 m. NE Yunnan (Qiaojia).