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Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
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'Rhododendron caesium' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub, 1–2 m; young shoots sparsely scaly. Leaves more or less deciduous, 3–4.2 × 1.3–1.8 cm, oblong-elliptic to (rarely) oblong-ovate, apex subacute to rounded, margin slightly revolute, lower surface white-papillose, scales distant, equal, golden, sparsely covered with straight or slightly curved setae. Flowers (1–)2–3, in a loose terminal inflorescence; calyx lobes to 2 mm, ciliate; corolla yellow, funnel-campanulate, c.18 mm, outer surface scaly, otherwise glabrous; stamens 10; ovary scaly, style impressed, sharply deflexed, glabrous. Flowering May-June. Royal Horticultural Society (1997)
Distribution China Yunnan
Habitat 2,450–3,050 m
RHS Hardiness Rating H4
Conservation status Near threatened (NT)