Nick Garbutt / Giant Pachypodium species photographed from the inside. Lake Tsimanampetsotsa National Park, South West Madagascar.

Jouan & Rius / Elephant's foot plant (Pachypodium lameri) in flower, Isalo NP, Madagascar

Pete Oxford / Elephant's foot plant (Pachypodium horombensis) Isalo National Park, MADAGASCAR, endemic

Gerry Ellis / Australian Baobab (Adansonia gregorii) tree growing on grasslands, Western Australia

Chris Mattison / 'Halfmens' plant (Pachypodium namaquensum / namaquanum) in arid landscape. Richtersveld, South Africa, October.

Chris Mattison / Young 'halfmens' plant (Pachypodium namaquensum / namaquanum). Richtersveld, South Africa, October.

Gerry Ellis / Rutenberg's Pachypodium (Pachypodium rutenbergianum) forest in arid region, Madagascar

Inaki Relanzon / Elephant's foot tree (Pachypodium ambongensis) growing out of dry rocks, endemic, Namoroka National Park, Madagascar.

Nick Garbutt / Giant Pachypodium species. Lake Tsimanampetsotsa National Park, South West Madagascar.

Nick Garbutt / Giant Pachypodium species. Tsimanampetsotsa National Park, South West Madagascar.

Alan Watson / Pachypodium tree (Pachypodium geayi) Sogno (Didierea madagascariensis) in spiny forest, Reniala Reserve, Madagascar

Inaki Relanzon / Elephant's foot (Pachypodium sp) in landscape, Isalo National Park, South Madagascar, April 2007