Dactylorhiza cordigera, (Fries) Soó, 1970

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 335

7. D. cordigera (Fries) Soo ,

Nom. Nov. Gen. Dactylorhiza 5 (1962).

Tubers deeply 2- to 4-fid, somewhat elongated at apex. Stem up to 30 cm, erect or slightly flexuous, with 2-5 distant leaves. Leaves usually with dark spots on both surfaces; lower lanceolate to obovate, patent; upper lanceolate, erect; uppermost seldom reaching the inflorescence. Raceme ovoid to oblong. Bracts longer than ovary. Flowers purple; labellum dark purple. Outer perianth-segments 8-12 mm, oblong-lanceolate, obtuse. Labellum 7-11 x 8-16 mm. Spur deflexed. 2n = 80.

Mountain grassland.

S. E. Europe. A 1 Bu Gr Ju Rm Rs (W).

1 Spur 8-11 mm, conical-cylindrical, up to £ as long as ovary (c) subsp. siculorum

1 Spur 6-8 mm, saccate, not more than J as long as ovary

2 Labellum ± abruptly cuneate at base, ± suborbicular, some­ times shortly 3-lobed at apex (b) subsp. bosniaca

2 Labellum widest towards base, broadly rhombic (a) subsp. cordigera