Dactylorhiza incarnata, (Linnaeus) Soó von Bere von Bere, 1962

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 334

(4- 10). D. incarnata group.

Stem usually hollow. Lower bracts usually as long as or longer than flowers, lanceolate. Lateral outer perianth-segments, suberect, the middle convergent into a galea with the inner segments.

1 Lower leaves not more than 4 times as long as wide, ± elliptical, usually widest at or below the middle

2 Stem not more than 20 cm; outer perianth-segments and labellum 6-7 mm 5. pseudocordigera

2 Stem (10-)20-60(-75) cm; outer perianth-segments 6-12 mm; labellum 5-12 mm

3 Leaves 4-8, the uppermost often reaching base of inflores­ cence 6. majalis

3 Leaves 2-5, the uppermost seldom reaching inflorescence 7. cordigera

1 Lower leaves more than 4 times as long as wide, usually lanceolate, gradually attenuate from base

4 Labellum 5—7*5(—9) mm; outer perianth-segments 5-6(-9) mm 4. incarnata

4 Labellum 5-5-16 mm; outer perianth-segments (6—)7—13 mm

5 Outer perianth-segments 7-8(-10) mm

6 Flowers purple; labellum with deflexed margin 8. traunsteineri

6 Flowers pink; labellum flat 9. russowii

5 Outer perianth-segments 8-13 mm

7 Stem not more than 30 cm; leaves usually with dark spots 7. cordigera

7 Stem 30-110 cm; leaves without dark spots 10. data