Orchis longicornu, Poiret

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 339

4. O. longicornu Poiret , Voy. Barb. 2: 247 (1789).

Tubers subglobose, shortly stipitate. Stem 10-30 cm, erect, with basal rosette of leaves, and with crowded sheaths above. Leaves oblong-lanceolate. Spike shortly oblong, rarely cylindrical, rather dense, the basal flowers opening first. Bracts lanceolate, with several veins, about as long as ovary. All perianth-segments convergent into a galea; outer c. 6 mm, oblong, white or pale pink; inner somewhat smaller, white. Labellum about as wide as long, broadly reniform, purplish-violet, minutely punctulate, shallowly 3-lobed; middle lobe broadly triangular, usually somewhat shorter than the lateral. Spur c. 16 mm, cylindrical, becoming davate and wider towards the apex, patent or somewhat curved upwards, much longer than labellum. 2« = 36. W. Mediterranean region. BI Co Ga It?Lu Sa Si.