Paliurus spina-christi 10 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 11 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 12 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 13 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 14 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 15 (cult) Al Ain, United Arab Emirates 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 16 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 2 Kovan kaya Natural Monument, Bu 120510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 3 Kovan kaya Natural Monument, Bu 120510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 4 Kovan kaya Natural Monument, Bu 120510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 6 Masafi Wadi, United Arab Emirates 161101 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 7 Masafi Wadi, United Arab Emirates 161101 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 8 Masafi Wadi, United Arab Emirates 161101 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 9 Masafi Wadi, United Arab Emirates 161101 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 1 N of Polygyros, Greece 050526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Paliurus spina-christi 5 N of Polygyros, Greece 050526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).