Arum
Boyce, P. 1995: The genus Arum (Araceae) in Greece and Cyprus. – Ann. Mus. Goulandris 9: 27-38Meikle, R.D. 1985: Flora of Cyprus 2 but rearranged, supplemented and names used differing
| 1 | Spathe-limb conspicuously spotted or blotched purple internally |
| 1' | Spathe-limb not spotted or blotched internally |
| 2 | Spathe-limb uniformly green, rarely with purple tinge on margin; spadix appendix light-coloured, yellow or orange |
| 2' | Spathe-limb not completely green, at least with clearly defined darker margin; spadix-appendix dark-coloured, purplish or brownish |
| 3 | Spadix-appendix orange to orangish purple |
| 3' | Spadix-appendix yellow |
| 4 | Spadix-appendix 1/4-1/2 as long as spathe-limb |
| 4' | Spadix-appendix more than 1/2 as long as spathe-limb |
| 5 | Spathe-limb with a 1-1.5 mm wide purple border |
| 5' | Spathe-limb purple, at least on inner surface |
| 6 | Spadix-appendix fusiform, 1-3.5 cm diam., pinkish-purple; peduncle usually much longer than petiole |
| 6' | Spadix-appendix subcylindric, 0.3-0.6 cm diam., purple; peduncle usually shorter than petiole |
