Article from Bean's Trees and Shrubs Hardy in the British Isles
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'Euonymus wilsonii' from the website Trees and Shrubs Online (treesandshrubsonline.
An evergreen shrub up to 20 ft high, of lax or scandent habit, quite free from down in leaf and twig; young shoots slender. Leaves 3 to 6 in. long, 1 to 13⁄4 in. wide, lanceolate, wedge-shaped at the base, gradually tapered at the apex to a long slender point; shallowly and rather distinctly toothed; conspicuously veined beneath; stalk 1⁄4 to 1⁄2 in. long. Fruits four-lobed, borne on a main-stalk 11⁄2 in. long; they are clothed with conspicuous, awl-shaped spines 1⁄5 in. long, and are altogether about 3⁄4 in. across; aril yellow.
Introduced from Mt Omei in W. China by Wilson in 1904, and now growing vigorously in the collection at Kew. It is distinct from cultivated spindle-trees in the remarkable hedgehog-like fruits.
† E. echinatus Wall. – This native of the Himalaya as far west as Kashmir is, like E. wilsonii, a climbing species with prickly fruits. In cultivation by 1827, it is figured in Bot. Mag., t.2767, but is now rare in cultivation.