Roscoea alpina Bergianska, Stockholm 041005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 13 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cf purpurea 2 (cult) Brunnby Sk 120828 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cf tibetica 2 Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cf tibetica 3 Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea forrestii 3 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea humeana 1 Lund Bot Garden 080618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea humeana 2 Lund Bot Garden 080618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea 1a between Lijiang and Shangri-la, Yunnan 110708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea 1b between Lijiang and Shangri-la, Yunnan 110708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 1 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 10 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 11 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 12 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 2 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 3 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 4 Lund Bot Garden 100618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 5 Lund Bot Garden 100618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 6 Lund Bot Garden 100618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 7 Lund Bot Garden 080612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 8 Lund Bot Garden 100618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cautleyoides 9 Lund Bot Garden 080612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cf purpurea 1 (cult) Brunnby Sk 120828 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea cf tibetica 1 Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea forrestii 1 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea forrestii 2 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea forrestii 4 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea forrestii 5 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea humeana 3 Lund Bot Garden 080618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea humeana 4 Lund Bot Garden 080618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea scillifolia 1 Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea scillifolia 2 Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea violacea 1 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea violacea 2 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Roscoea violacea 3 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).