Celtis 1a Flinck's Garden, Bjuv Sk 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis 1b Flinck's Garden, Bjuv Sk 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis 2a Caledon Wild Flower Garden, Western Cape, South Africa 100920 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis 2b Caledon Wild Flower Garden, Western Cape, South Africa 100920 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis africana 1 Kirstenbosch 100906 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis africana 1 Kirstenbosch Bot Garden, South Africa 161006 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis africana 2 Kirstenbosch 100906 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis africana 2 Kirstenbosch Bot Garden, South Africa 161006 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 2 near Alcántara SP 140507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 3 near Alcántara SP 140507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 4 near Alcántara SP 140507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 1 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 10 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 11 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 12 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 2 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 3 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 4 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 5 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 6 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 7 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 8 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis ehrenbergiana 9 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 1 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 2 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 3 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 6 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis 1c Flinck's Garden, Bjuv Sk 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis 1d Flinck's Garden, Bjuv Sk 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 1 near Alcántara SP 140507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 5 near Trujillo SP 140510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis australis 6 near Trujillo SP 140510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 4 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 5 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Celtis occidentalis 7 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).