Bergenia ciliata 3 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata 4 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata 5 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata f ligulata 2 Copenhagen Bot Garden 160504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia cordifolia 4 Lund Bot Garden 110429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 2 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 5 Lund Bot Garden 080504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 6 Lund Bot Garden 080504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia stracheyi 3 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Bergenia stracheyi 7 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia stracheyi 8 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia stracheyi 9 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata 1 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata 2 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata 6 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia ciliata f ligulata 1 Copenhagen Bot Garden 160504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia cordifolia 1 Lund Bot Garden 100519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia cordifolia 2 Lund Bot Garden 110429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia cordifolia 3 Lund Bot Garden 100519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia cordifolia 5 Lund Bot Garden 110429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 1 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 3 Lund Bot Garden 080504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia crassifolia 4 Lund Bot Garden 080504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia purpurascens 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia purpurascens 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia purpurascens 3 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia purpurascens 4 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia stracheyi 1 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Bergenia stracheyi 5 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Bergenia stracheyi 6 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).