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Shrub or small tree, 3-9 m; bark rough. Leaves (9-)16-23 x 4-6.3 cm, narrowly elliptic to oblanceolate, apex acute to rounded and apiculate, lower surface covered with a one-layered buff to silvery, sometimes shining compacted and agglutinated indumentum composed of rosulate hairs; petioles terete. Flowers 12-20 to a truss, cream to clear yellow, sometimes with a red basal blotch, ventricose-campanulate, with nectar pouches, 30-40 mm; stamens c.16; ovary densely rufous-tomentose. Flowering April-May. Royal Horticultural Society (1997)
Distribution Myanmar NE China W Yunnan
Habitat 2,500-3,700 m
RHS Hardiness Rating H4
Awards AM 1964 (National Trust for Scotland, Bridock Castle Gardens) to a clone 'Glen Rosa'; flowers Primrose Yellow, with a dark crimson blotch.
Conservation status Near threatened (NT)
This is a tender species that is only occasionally grown in Britain. Royal Horticultural Society (1997)