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A deciduous shrub or small tree, with glabrous young shoots and winter-buds. Leaves pinnate, 21⁄2 to 6 in. long, with ten to fourteen pairs of leaflets which are attached to the grooved, slightly winged, glabrous common stalk at intervals of 1⁄6 to 1⁄2 in. Leaflets mostly oblong, sometimes ovate or narrowly oval, toothed towards the apex, pointed, 1⁄4 to 11⁄8 in. long, 1⁄8 to 1⁄3 in. wide, glabrous or with a little down on the midrib beneath. Corymbs 2 to 3 in. long and wide, with glabrous stalks, the white flowers, each about 1⁄3 in. wide, crowded at the top in a rounded cluster. Receptacle and styles glabrous. Fruit pearly white, 1⁄4 to 3⁄8 in. wide, globose.
S. glomerulata was described from specimens collected by Wilson near Changyang Hsien in Hupeh in 1907, but he had sent seed earlier to Messrs Veitch from the same locality. It is most likely to be confused with S. koehneana, which differs in its slightly downy inflorescence, more strongly toothed leaflets, often hairy buds, and in the style being downy at the base. It was praised in previous editions for its pretty foliage and pearl-like fruits, but is apparently no longer in cultivation.