Nepenthes 3 Lund Bot Garden 121011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes ampullaria 2 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes madagascariensis 1 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes madagascariensis 2 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes nephelaphyllum 2 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 6 Mé Ori, New Caledonia 831213 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 7 Mé Ori, New Caledonia 831213 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 8 Mé Ori, New Caledonia 831213 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes 1a Man Key Creek, Papua New Guinea 831030 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes 1b Man Key Creek, Papua New Guinea 831030 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes 2 Gunung Nokilalaki, Sulawesi 8103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes 4 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes alata 1 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes alata 2 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes alata 3 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes albomarginata Dept of Botany, Stockholm University 000710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes ampullaria 1 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes gracilis 1 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes gracilis 2 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes macfarlanei 1 Bergianska, Stockholm 070221 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes macfarlanei 2 Bergianska, Stockholm 070221 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes madagascariensis 3 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes madagascariensis 4 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes nephelaphyllum 1 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes nephelaphyllum 3 Copenhagen Bot Garden 121120 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes rafflesiana 1 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes rafflesiana 2 Bako National Park, Sarawak 860319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 1 Poume, New Caledonia 831129 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 2 Poume, New Caledonia 831129 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 3 Poume, New Caledonia 831129 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 4 Mé Ori, New Caledonia 831213 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Nepenthes vieillardii 5 Mé Ori, New Caledonia 831213 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).