Cullen, J. (1980) A Revision of Rhododendron 1: Subgenus Rhododendron
sections Rhododendron & Pogonanthum. Notes from the Royal Botanic Garden Edinburgh
39(1):97
WFO ID: wfo-0001248029
IPNI ID: urn:lsid:ipni.org:names:333594-1
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Erect, much branched shrub to 1 -5 m. Leaves 6-15 X 3-9 mm, ovate or oblong-elliptic to ovate-lanceolate, apex obtuse, base cuneate, undersurface straw-coloured or golden brown, densely covered with contiguous scales. Inflorescence l(-2)-flowered, pedicel 1-2 mm, lepidote. Calyx 2.8-5 mm, lobes broadly rounded or strap-shaped, margin usually densely ciliate, sometimes with a few marginal scales. Corolla pale purple or yellow, funnel-shaped, 13-5-19 mm, tube 4.5-7 mm, pubescent in the throat and sometimes on the outside. Stamens 10, ± equalling the corolla, filaments pubescent towards the base. Ovary lepidote, style exceeding the stamens, slightly pubescent and with some scales near the base. Capsule ovoid, densely lepidote, 4-5 mm. ** * Rhododendron websteranum * var. * websteranum * ** Corolla pale purple ** * Rhododendron websteranum * var. * yulongense * **
No additional reference available.