Orchis

Meikle, R.D. 1985: Flora of Cyprus 2
Key only partly based on that source.
1Spur absent
1'Spur present
2Lip with 2 short, narrow, longitudinal calli at the base
2'Lip without longitudinal calli at the base
3Spur broadly conical, very short, 1-2 mm long; stigmas 2, placed one on each side of the column at the spur entrance
3'Spur conical to filiform, always more than 2 mm long; stigma 1, centrally placed on the front of the column, forming a roof to the spur entrance
4Flowers mostly greenish-yellow, yellow or brownish-yellow
4'Flowers pink, purple or violet, rarely white
5Lip conspicuously anthropomorphic, distinctly 3-lobed, mid-lobe divided into 2 linear lobules separated by a mucro or lacinule; lateral lobes linear
5'Lip not as above, entire, dentate or lobed; if 3-lobed, lateral lobes not linear
6Lobes of the lip acute, flat, never subfalcate and upcurved; 2 calli present at the base of the lip; leaves often spotted, margins undulate
6'Lobes of the lip obtuse, subfalcate, upcurved; calli absent; leaves never spotted, margins not undulate
7Lip entire or weakly dentate
7'Lip lobed
8Lip entire, unspotted
8'Lip dentate, with reddish or purple streaks and dots
9Lip without dots, streaks or dashes; spur curved forwards in lower part
9'Lip with more or less conspicuous dark dots, streaks or dashes; spur curved down- or upwards
10Lateral and dorsal sepals connivent with the petals to form a galea (hood)
10'Lateral sepals reflexed or spreading
11Mid-lobe entire
11'Mid-lobe divided
12Lobes of lip sharply dentate or serrate; lip with scattered red dots; spur about half as long as ovary
12'Lobes of lip nearly entire or weakly dentate; lip without conspicuous dark markings; spur equalling ovary
13Lip with conspicuous dark spots and dots; leaves basal, rosulate, obtuse and mucronate
13'Lip with less clear streaks and markings; leaves cauline, acute
15Spur broadened, conical at the mouth, linear towards the apex, longer than the ovary; lip (8-)10-14(-22) mm wide, with many spots
15'Spur filiform, not broadened at the mouth, equalling or a little shorter or longer than the ovary; lip 6-7(-10) mm wide, often with 4-6 spots, sometimes more
14Mid-lobe of the lip usually shorter than the lateral lobes; lip 7(-10) x 8(-12) mm; spur broadened and often bilobed at the apex
14'Mid-lobe of the lip usually longer than the lateral lobes; lip (8-)9-15 x (10-)11-15(-20) mm; spur of equal width or attenuate at the apex