Plumbago aphylla 1 Ifaty, Madagascar 191009 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago aphylla 2 Ifaty, Madagascar 191009 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago auriculata 1 (cult) La Gomera 060424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago auriculata 2 (cult) La Gomera 060424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago auriculata 3 Lund Bot Garden 120912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago auriculata 4 Lund Bot Garden 120912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago indica 1 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Plumbago indica 2 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Plumbago zeylanica 1 University of Hawaii, Manoa, Honolulu, Hawaii 130707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Plumbago zeylanica 2 University of Hawaii, Manoa, Honolulu, Hawaii 130707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Plumbago aphylla 3 Ifaty, Madagascar 191009 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).