Hedysarum 1a (cult) between Karesuanto and Vikkuri, Finland 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum 1b (cult) between Karesuanto and Vikkuri, Finland 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum 1c (cult) between Karesuanto and Vikkuri, Finland 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum 1d (cult) between Karesuanto and Vikkuri, Finland 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 1 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 2 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 4 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 5 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 10 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Hedysarum multijugum 10 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 6 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 7 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 8 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 9 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 1 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 12 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 13 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 2 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 3 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 4 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 5 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 6 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 9 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Hedysarum coronarium 10 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 11 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 12 Sicily 190419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 13 Sicily 190419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 3 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 6 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 7 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 8 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum coronarium 9 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 1 Nassfeld, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 2 Nassfeld, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 3 Nassfeld, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 4 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 5 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum hedysaroides 6 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Hedysarum multijugum 1 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 2 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 3 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 4 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum multijugum 5 Copenhagen Bot Garden 130611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 10 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 11 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 7 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hedysarum spinosissimum 8 Spili, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).