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A shrub up to 12 ft high, of graceful, pendulous habit; year-old branches with greyish-brown, non-peeling bark. Leaves broadly ovate to ovate-lanceolate, 11⁄2 to 4 in. long, 1 to 21⁄2 in. wide, coarsely and distinctly toothed or, especially on the flowering twigs, entire, with scattered hairs beneath, still fewer above. Flowers five to nine, in racemes, scentless, white, 11⁄3 in. across; petals oval; calyx smooth outside like the flower-stalk, downy at the margins, and near the apex of the lobes inside; styles divided half-way down.
Native of western N. America from British Columbia to Oregon; introduced about 1823. It is one of the most elegant and floriferous of all the taller species.
P. gordonianus Lindl