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A deciduous shrub up to 10 ft high, more in diameter, very bushy; branchlets hollow; young shoots downy. Leaves oval or obovate, rounded or broadly tapered at the base, mostly with a short abrupt apex, 11⁄4 to 21⁄2 in. long, half or more than half as wide, downy on both surfaces; stalk 1⁄4 in. long, downy. Flowers not scented, yellowish white, tinged sometimes with red, produced in pairs on downy stalks up to 5⁄8 in. long. Corolla very downy, conspicuously two-lipped, 5⁄8 in. across, the tube short and bellied; ovary glandular. Fruits red, often showy in August.
Native of Europe, Asia Minor, and W. Siberia, found wild in parts of S.E. England, where it may be a true native.