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A small tree whose young shoots are covered with hairs, many of which persist through the first winter. Leaves 11⁄2 to 3 in. long, 5⁄8 to 11⁄2 in. wide, ovate, with a tapered point and a rounded base, unequally or doubly toothed; upper surface dark green, with flattened hairs on the midrib and between the nine to fifteen pairs of veins; lower surface hairy on the veins; stalk slender, downy, 1⁄3 in. long. Fruit-clusters on silky stalks; the bracts 5⁄8 to 3⁄4 in. long, narrowly ovate, toothed on one side, silky-hairy, especially on the veins and at the base, where they become slightly boat-shaped, holding the ovoid nut in the hollow, but quite exposed.
Native of Japan and the north-eastern part of continental Asia; probably first introduced from Japan to the Darmstadt Botanic Garden in 1901. There are several examples at Kew planted around 1905, the largest of which measures 36 × 51⁄2 ft (1967).
specimens: Kew, 50 × 51⁄2 ft (1972); Edinburgh Botanic Garden, pl. 1903, 48 × 4 ft (1981).