Cypripedium guttatum, Swartz, 1800, 1800

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 326

3. C. guttatum Swartz ,

loc. cit. (1800)

. Rhizome long. Stem 15-50 cm, glandular-pubescent, with brown basal sheaths, with 2 leaves at about the middle. Leaves 6-12 x 3*5-6 cm, elliptical to elliptic-ovate, acute to acuminate, sparsely pubescent. Flower solitary, subtended by large leaf-like bract. Median outer peri­ anth-segment 1 *8- 2-8 cm, white, often with purple blotches or spots, the lateral outer shorter, green; inner c. 2 cm, panduriform. Labellum 2-2*3 cm, obovoid, rounded at apex, white, with large, more or less confluent lilac spots

. Woods and clearings.

Russia, from c. 51° to c. 60° N. Rs (N, C, E).