Gaultheria shallon, Pursh

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 11

1. G. shallon Pursh , Fl. Amer. Sept. 283 (1814).

Stems SO-175 cm, erect, multiplying freely by underground rhizomes to form a dense thicket; twigs and leaves glandular-hirsute when young, glabrescent. Leaves 6-9 x 3-7 cm, shortly cuspidate, serrulate, coriaceous. Racemes subterminal on the previous year’s growth. Calyx and corolla pinkish-white, glandular-hairy; corolla 8-10 mm. Capsule closely invested by the succulent, accrescent calyx, which forms a subglobose, dark purple, berry-like pseudocarp. Cultivated for ornament and as cover for game, and naturalized in N.W. Europe. [Br Ga.] (W. North America.)