Richard Du Toit / Impala lily flower (Adenium multiflorum) Sabi Sand GR, South Africa, October

Neil Lucas / Dragons blood trees (Dracena cinnibaris) and Desert rose (Adenium obesum socotranum) in Momi Valley, Socotra Island, Yemen, February 2008

Sylvain Cordier / Rose of Desert (Adenium obesum ssp Sokotran) Socotra Island, UNESCO World Heritage Site, Yemen.

Ann & Steve Toon / Impala lily (Adenium obesum) flowering, Kruger National Park, South Africa.

Martin Gabriel / Desert rose (Adenium obesum), flowering in February, Dhofar mountains, Sultanate of Oman, February.

Hanne & Jens Eriksen / Desert rose (Adenium obesum) Oman, September

Enrique Lopez-Tapia / Desert rose (Adenium obesum) in flower Lower Omo Valley. Ethiopia, November 2014

Enrique Lopez-Tapia / Desert rose, (Adenium obesum) flowers, Lower Omo Valley. Ethiopia, November.

Enrique Lopez-Tapia / Desert rose (Adenium obesum) flowers, Lower Omo Valley. Ethiopia, November.

Enrique Lopez-Tapia / Desert rose (Adenium obesum) flowers, Lower Omo Valley. Ethiopia, November.

RHONDA KLEVANSKY / Halfmens / Elephant's trunk plant (Pachypodium namaquanum) flower, Richtersvelt National Park and World Heritage Site, Northern Cape, South Africa, August.

RHONDA KLEVANSKY / Halfmens / Elephant's trunk plant (Pachypodium namaquanum) in flower, Richtersvelt National Park and World Heritage Site, Northern Cape, South Africa, August.