Cassiope tetragona, (L.) D. Don

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 : 8

1. C. tetragona (L.) D. Don , Edinb. New Philos. Jour. 17: 158 (1834).

Stems 10-30 cm, decumbent to ascending. Leaves 3-5 mm, decussate, oblong-lanceolate, obtuse, concave adaxially, rounded but deeply sulcate abaxially, closely appressed to stem, puberulent. Flowers axillary, forming short, lax, intercalary racemes; pedicel c. 10 mm in flower, up to 25 mm in fruit, subglabrous. Sepals 2-5 mm, yellowish, scarious. Corolla 6-8 mm, campanulate, creamy-white. Capsule c. 4 mm. Dryish, stony or sandy heaths or tundra; somewhat calcicole. Arctic Europe, mainly in the mountains. Fe No Rs (N) Sb Su.