R. D. Meikle, Flora of Cyprus 2. 1985
but modified
1Perianth deep violet, rarely pure white, 2.1-3.7 cm long; tube 8.5-17 mm long
1'Perianth white with dark veins to deep lilac-blue, or greenish-yellow flushed violet, 0.9-1.8 cm long; tube 2.5-4 mm long
2Bract and bracteole largely herbaceous, fairly rigid, closely and conspicuously veined; perianth lilac-blue or greenish-yellow, throat orange; leaves 1-1.5 mm wide
2'Bract herbaceous, bracteole with wide membranous margins, not conspicuously veined; perianth pale lilac or violet to white, throat usually yellow; leaves 0.6-1 mm wide