Article from Bean's Trees and Shrubs Hardy in the British Isles
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'Gaultheria trichophylla' from the website Trees and Shrubs Online (treesandshrubsonline.
A low shrub of densely tufted habit 3 to 6 in. high, spreading by means of underground shoots; stems wiry and slender, clad with spreading bristly hairs and furnished with twelve or more leaves to the inch. Leaves stalkless, elliptic-oblong or elliptic-lanceolate, 1⁄4 to 1⁄2 in. long, 1⁄8 to 1⁄4 in. wide, glabrous on both surfaces, but bristly on the margins, glossy dark green above, paler beneath. Flowers solitary in the leaf-axils; corollas pink, 1⁄6 in. long and wide, bell-shaped; anther-cells each with one awn. Fruits blue, occasionally purplish red, broadly ovoid, 3⁄8 to 1⁄2 in. long. Bot. Mag., t. 7635.
Native of the Himalaya from Kashmir eastward, S.E. Tibet, Upper Burma, S.W. and W. China, ascending in the Himalaya to 13,000 ft. It was introduced to Kew in 1897, but there have been numerous reintroductions since then from various parts of its range. The lovely blue fruits have been likened to thrushes’ eggs, but in many gardens they are produced sparsely or not at all.
The following are closely allied to G. trichophylla: