CCIII Orchidaceae Author D. M. Moore (ed.) text 1980 Cambridge University Press Camebridge Flora Europaea, Vol 5: Alismataceae to Orchidaceae 325 350 book chapter 10.5281/zenodo.215522 e75af61c-ea0f-4791-94c6-806a39e338ea 052120108X 215522 8 . O . ferrum-equinum Desf . , Ann . Mus . Hist . Nat . (Paris) 10: 226 (1807) . Plant 10-35 cm . Basal leaves lanceolate, acute, the cauline 1 -2, similar or smaller . Spike 2- to 5-flowered, lax . Outer perianth-segments 8-10 mm, oblong-ovate to orbicular, purple, pink, green, greenish-purple or whitish; inner 6-8 mm, at least 1 /2as long as the outer, linear-lanceolate, purple or pink, glabrous . Labellum 10-12 x 8-12 mm, orbicular to obovate, velutinous, without basal protuberances, with an appendage, dark purple, rarely brown; speculum horseshoe-shaped, scutelliform, or of 2 parallel lines, in the anterior part of the labellum . Connective acute . Greece and Aegean region . ?A 1 Gr .