• Scientific Name: Rhododendron wardii W.W.Sm.
• Ref: Notes Roy. Bot. Gard. Edinburgh 8:205. 1914
• Synonyms:
  • Rhododendron astrocalyx Balf.f. & Forrest
  • R. croceum Balf.f. & W.W.Sm.
  • R. gloeoblastum Balf.f. & Forrest
  • R. litiense Balf.f. & Forrest
  • R. oresterum Balf.f. & Forrest
  • R. prasinocalyx Balf.f. & Forrest
• Chinese Common Name: 黄杯杜鹃 huángbēi dùjuān
• Family: Ericaceae
• Genus: Rhododendron
• Distribution: Abies forests, Picea forests, scrub, meadows, mountain slopes, open places; 3000–4600 m. SW Sichuan, SE Xizang, NW Yunnan.
• Photo: Mt. Laojun, Yunnan

Shrubs ca. 3 m tall; old branches grayish white, bark sometimes flaking; young shoots greenish, glabrous. Petiole slender, furrowed above, 20–30 mm, glabrous; leaf blade leathery, narrowly ovate to oblong-elliptic or broadly ovate-elliptic, 5–8 × 3–4.5 cm; base subcordate; apex obtuse, apiculate; abaxial surface greenish or grayish green; adaxial surface deep green, midrib raised abaxially, flat or slightly concave adaxially; lateral veins 9–13-paired, inconspicuous on both surfaces. Inflorescence racemose-umbellate, 5–8(–14)-flowered; rachis 5–15 mm, with short glandular hairs. Pedicel 2–4 cm, usually sparsely glandular; calyx membranous, lobes 5, 5–8(–12) × 3–5 mm, unequal, ovate or ovate-elliptic, margin densely glandular; corolla cup-shaped, bright yellow or pure white, 3–4 × 4–5 cm; lobes 5, suborbicular, ca. 1.5 cm, apex emarginate; stamens 10, unequal, 1–1.8 cm, filaments glabrous; anthers ovate, yellow, ca. 2 mm; ovary cone-shaped, ca. 5 mm, densely glandular; style 1.5–2 cm, usually glandular, stigma capitate. Capsule cylindric, slightly curved, 20–25 × ca. 7 mm, glandular-hairy, calyx usually persistent, leaflike at maturity. Fl. Jun–Jul, fr. Aug–Sep. (Flora of China)