Croton cf californicus 1 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 2 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 4 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 5 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 6 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 7 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 8 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton cf californicus 9 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 1 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 2 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 3 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 4 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 5 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 6 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 7 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 8 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton chrysodaphne 9 Mantadia Nat Park, Madagascar 191004 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton scouleri 2 Copenhagen Bot Garden 121205 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton scouleri 3 Copenhagen Bot Garden 121205 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton setiger 2 near Piketberg, Western Cape, South Africa 160102, - Photo: (© 2014 Jan Thomas Johansson).

Croton cf californicus 3 Algodones Dunes, CA 130420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton lobatus 1 La Guïra Nat Park, Cuba 190319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton lobatus 2 La Guïra Nat Park, Cuba 190319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton lobatus 3 La Guïra Nat Park, Cuba 190319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton scouleri 1 Copenhagen Bot Garden 121205 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton scouleri 4 Copenhagen Bot Garden 121205 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Croton setiger 1 near Piketberg, Western Cape, South Africa 160102, - Photo: (© 2014 Jan Thomas Johansson).