Caragana ambigua Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana arborescens Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana aurantiaca 3 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana aurantiaca 4 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana decorticans Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

Caragana franchetiana Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana grandiflora 1 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana grandiflora 3 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana grandiflora 4 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana grandiflora 5 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana jubata 1 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana jubata 2 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana jubata 3 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana jubata 4 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 1 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Caragana microphylla 3 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 4 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 5 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 6 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 7 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana microphylla 8 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Caragana pygmaea 10 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana pygmaea 11 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana pygmaea 12 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana pygmaea 13 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

Caragana pygmaea 7 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana pygmaea 8 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana pygmaea 9 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana turkestanica Bergianska, Stockholm 050531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Caragana aurantiaca 1 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

Caragana grandiflora 2 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).