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Dwarf shrub, 0.2-1 m; young shoots more or less glabrous; bud scales usually persistent. Leaves 2.5-15.5 x 1.2-7 cm, ovate to broadly elliptic, apex rounded, upper and lower surface glabrous when mature. Flowers 5-8, in a lax truss; calyx 2-3 mm; corolla yellow, usually with a least a few flecks, broadly campanulate, nectar pouches lacking, 25-30 mm; ovary rufous-tomentose. Flowering April-May. Royal Horticultural Society (1997)
Distribution China Jilin Japan Russia E
Habitat 1,500-2,700 m
RHS Hardiness Rating H6
Conservation status Least concern (LC)