Arum maculatum 1 Borlunda, Skåne 080515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cf maculatum 1 Lund Bot Garden 080514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cf maculatum 2 Lund Bot Garden 080514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cf maculatum 3 Dilijan Nat Park, Armenia 180507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cf maculatum 4 Dilijan Nat Park, Armenia 180507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum creticum 1 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum creticum 2 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum creticum 3 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum creticum 4 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum creticum 5 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cylindraceum 1 Bobbe å, Bornholm 120602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cylindraceum 2 Bobbe å, Bornholm 120602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cylindraceum 3 Bobbe å, Bornholm 120602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum cylindraceum 3 V Pomlenakke, Falster DK 080824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 1 Flinck's Garden, Bjuv Sk 070521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 2 Flinck's Garden, Bjuv Sk 070521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 3 Lund Bot Garden 150903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 4 Lund Bot Garden 150903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 5 Lund Bot Garden 150903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 6 Pantallica area, Sicily 190417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 7 Pantallica area, Sicily 190417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum italicum 8 Pantallica area, Sicily 190417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum maculatum 2 Borlunda, Skåne 080515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum maculatum 3 Borlunda, Skåne 080515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum maculatum 4 Borlunda, Skåne 080515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum rupicolum 1 Sanatorio-Xylocastro, Lesbos, Greece 100513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum rupicolum 2 Sanatorio-Xylocastro, Lesbos, Greece 100513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Arum rupicolum 3 Sanatorio-Xylocastro, Lesbos, Greece 100513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).