疏毛杜鹃 shu mao du juan

Small trees or shrubs, 3–7 m tall; young shoots sparsely floccose, glabrescent. Petiole 12–15 mm, floccose; leaf blade leathery, oblong-elliptic to oblong-obovate, 8–15 × 3–6 cm; base broadly cuneate, rounded or subcordate; apex obtuse or acute; abaxial surface brown with glands; adaxial surface green, glabrous. Inflorescence umbellate, 12–15-flowered; rachis ca. 10 mm. Pedicel 1–2 cm, sparsely floccose; calyx pale green; lobes 5, 1–1.5 mm, broadly triangular or subrounded, floccose or glabrescent; corolla campanulate, rose or pale yellow, with fine spots and crimson basal blotch inside, 3–4 cm, lobes 5, emarginate; stamens 10, unequal, filaments densely puberulent in lower half; ovary ca. 7 × 3 mm, sparsely floccose, also with a few yellow glands; style glabrous, stigma small.

Abies forests, Rhododendron thickets; 3100–3500 m. S Xizang.