This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The habitat of this plant is mountain heaths and woods. The plant has the shrub habit. The stem is prostrate, then ascending, with downy, trailing or ascending branches, and is woody, wiry, twisted, branched, naked below. The leaves are evergreen, dark-green above, glandular, dotted below, inversely ovate, with the margins rolled back as in other xerophytes, adapted to drought. The margins are entire, thick, bluntly-toothed, or scalloped, the leaves in 2 rows, leathery, pale below. The veins are not net-like. The flowers are pale-pink, in racemes, short and terminal, drooping. They are crowded and borne on ultimate flower-stalks with 2 bracteoles. The calyx-tube is hemispherical, with 4 broadly-ovate lobes, fringed with hairs. The corolla is bell-shaped, 4-cleft, the lobes linear to oblong. The berries are round, dark-red, and acrid. The stamens project, with purple downy anther-stalks, and the yellow anthers have no awns. The plant is 6-18 in. in height, flowering from June to August, and is an evergreen shrub.