Dahlia Cav. (Coreopsideae)

Dahlia imperialis 2 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia imperialis 3 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia imperialis 4 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia imperialis 5 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia imperialis 6 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia imperialis 7 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia merckii 2 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia merckii 3 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia pinnata 1 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia pinnata 3 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).


Dahlia imperialis 1 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia merckii 1 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia merckii 4 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia merckii 5 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia pinnata 2 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dahlia scherfii Bergianska 050913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).