Lonicera 1a Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera 1c Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera 1d Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera 1e Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera 2 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera aff reticulata 1 Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera aff reticulata 2 Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera aff reticulata 3 Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 1 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 2 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 3 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 4 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 5 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 6 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 7 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea 1 Norra Mossby, Närke 930717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 1 Lund Bot Garden 120504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 2 Lund Bot Garden 120504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 4 Lund Bot Garden 120504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 6 Luzna, Latvia 060707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 7 Luzna, Latvia 060707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 8 Luzna, Latvia 060707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caprifolium 2 (cult) Höllviken, Skåne 050809 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf etrusca 1 Eleas, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf etrusca 2 Eleas, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf etrusca 3 Eleas, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf etrusca 4 Eleas, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf morrowi 1 Storrs, Connecticut 900515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf morrowi 2 Storrs, Connecticut 900515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf tangutica 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf tangutica 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera chrysantha 1 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera chrysantha 2 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera dioica 2 Storrs, Connecticut 900521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera etrusca Volada-Aperi, Karpathos, Greece 040519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 1 Gualöv, Skåne 960517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 10 Rörsö gård, Urhöje Plantage, Jylland DK 160612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 2 Gualöv, Skåne 960517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 3 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 4 Gualöv, Skåne 960517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 5 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 6 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 7 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 8 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera involucrata 9 (cult) Sölvesborg, Blekinge 150608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica 1 Manawatu River Estuary Wetland NZ 151112 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica 2 Manawatu River Estuary Wetland NZ 151112 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica 3 Manawatu River Estuary Wetland NZ 151112 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica var repens 1 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica var repens 2 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica var repens 3 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ledebourii 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ledebourii 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ledebourii 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ledebourii 4 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera mackii 1 Bergianska 070607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera mackii 2 Bergianska 070607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera myrtilloides 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera myrtilloides 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nigra 1 Col de la Croix Perrin FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nigra 2 Col de la Croix Perrin FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 1 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 2 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 5 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 7 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 8 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 2 Lilla Hammar, Stora Hammar Sk 130623 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 3 Höllviken Sk 080623 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 4 Höllviken Sk 110820 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 5 Höllviken Sk 070811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 6 Höllviken Sk 060812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 7 Höllviken Sk 060812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 8 Höllviken Sk 070811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 9 Höllviken Sk 090813 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera rupicola 1 China 1107 (Magnus Lidén) - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera rupicola 2 China 1107 (Magnus Lidén) - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ruprechtiana 1 Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ruprechtiana 2 Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 1 (cult) Höllviken Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 2 (cult) Höllviken Sk 100626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 3 (cult) Höllviken Sk 100626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 4 (cult) Höllviken Sk 100626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 5 (cult) Höllviken Sk 070812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera sempervirens 6 (cult) Höllviken Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera standishii 1 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera standishii 2 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera standishii 3 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 10 Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 4 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 5 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 6 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 7 Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 8 Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera syringantha 9 Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 10 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 3 (cult) Lund Sk 080507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 5 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 6 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 7 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 8 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 9 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tomentella var tsarongensis 1 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tomentella var tsarongensis 2 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tomentella var tsarongensis 3 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera trichosantha 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera trichosantha 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera trichosantha 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera trichosantha 5 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera x xylosteoides 1 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera x xylosteoides 2 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 1 Bjärred Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 2 Pålsjö, Helsingborg 130601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 3 Bjärred Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 4 Bjärred Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 5 E of Rödby Havn, Lolland DK 130811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera xylosteum 6 Gnisvärd, Tofta, Gotland 070802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera 1b Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 8 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera alpigena 9 Lund Bot Garden 150525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 3 Lund Bot Garden 120504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caerulea ssp pallasii 5 Estland, Rapla, Torasoo 100718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera caprifolium 1 N of Pefkochori, Greece 050529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera cf etrusca 5 Eleas, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera dioica 1 Storrs, Connecticut 900521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 1 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 2 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 3 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 4 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 5 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 6 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera implexa 7 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera japonica 4 Manawatu River Estuary Wetland NZ 151112 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera ledebourii 5 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera mackii 3 Bergianska 070607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera mackii 4 Bergianska 070607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera myrtilloides 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera nitida 6 (cult) Lund Sk 160519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera periclymenum 1 Lilla Hammar, Stora Hammar Sk 130623 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera standishii 4 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 1 Haväng, Ravlunda, Sk 120609 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 2 Haväng, Ravlunda, Sk 120609 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera tatarica 4 (cult) Lund Sk 080505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Lonicera trichosantha 4 Bergianska 060830 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).