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Tree, 6-15m; bark rough; bud scales persistent on the apical shoots. Leaves 14-20 x 5-7cm, oblanceolate, apex more or less acute, apiculate, lower surface with a thin whitish compacted and agglutinated indumentum; petioles terete. Flowers 15-25, in a dense truss, 6-8-lobed, rose pink, with a darker blotch, ventricose-campanulate, nectar pouches absent, 30-35mm; stamens 12-16; ovary whitish-tomentose.
Distribution China (S Tibet).
RHS Hardiness H4a.
This is a rare species in cultivation; it is vulnerable to late frosts.