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 18 . O . tenthredinifera Willd . , Sp . PI . 4: 67 (1805) . Plant 10-45 cm . Basal leaves ovate to lanceolate, subobtuse or acute, the cauline similar, acute . Spike 3- to 8 -flowered, lax . Perianth- segments purplish or purplish-violet, rarely whitish; outer 6-12 mm, broadly ovate, obtuse, glabrous, concave; inner usually £ as long as the outer, broadly triangular, papillose-velutinous . Labellum (8-)l 1 -14x11-14 mm, obovate, square or flabelliform, convex, entire, rarely oblong and emarginate or indistinctly 3-lobed, purplish-brown, velutinous, usually with a wide, yellow, densely hairy marginal zone, with a glabrous appendage, with short, inconspicuous basal protuberances; speculum reduced, often 2-fid, rarely scutelliform, composed of brown spots . Connective obtuse . 2iz = 36 . Mediterranean region, C . & S . Portugal . B 1 Co Cr Ga Gr Hs It Lu Sa Si Tu .