Corallorhiza trifida, Chatel., 1760

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 349

1. C. trifida Chatel. ,

Sp. Inaug. Corail. 8 (1760) ( C. innata R. Br. ).

Stems 7-30 cm, erect, glabrous, yellowish-green, with 2-4 scales up to half as long as stem. Spike lax, 2- to 12-flowered. Outer perianth-segments c. 5 mm, greenish, the lateral linear- lanceolate, with incurved margins, the median ovate-lanceolate; inner perianth-segments narrower, greenish or yellowish with reddish margins or spots. Labellum about as long as other peri­ anth-segments, oblong, whitish with red lines or blotches, with 2 wide longitudinal ridges near the base. 2n = 42.

Damp woods, rarely on moist coastal sands.

Europe, southwards to the Pyrenees, S. Appennini, N. W. Greece and Krym, but only on mountains in the south. Al Au Be Br Bu Cz Da Fe Ga Ge Gr He fHo Hs Hu Is It Ju No Po Rm Rs (N, B, C, W, K) Su.