黄管杜鹃 huang guan du juan

Shrubs, sometimes epiphytic, 0.3–2 m tall; branches thin and dense; young shoots scaly. Petiole 5–15 mm, scaly; leaf blade lanceolate or oblong-lanceolate, 3–7 × 1–2.8 cm; base blunt or narrower; apex acute, acuminate or obtuse, apiculate; abaxial surface scaly, scales 1.5–3 × their own diameter apart, unequal, pale brown; adaxial surface scaly. Inflorescence terminal, subumbellate, 2- or 3-flowered; rachis 1–2 mm, scaly. Pedicel 0.4–0.6 cm, densely scaly; calyx 5-lobed; lobes ca. 0.5 mm, triangular, densely scaly abaxially; corolla tubular-campanulate, yellow, 1.6–2 cm, outer surface scaly; stamens 10, unequal, 0.8–1.9 cm; filaments densely villous in lower part; ovary 5-locular, densely scaly; style glabrous. Capsule cylindric, 9–18 mm, densely scaly.

Epiphytic on trees in dense forests, rocks in thickets; 2100–2800 m. SE Xizang [India].