Tony Phelps / Krans aloe (Aloe arborescens) flower, deHoop Nature reserve, Western Cape, South Africa

Piotr Naskrecki / Pearson's Aloe (Aloe pearsonii) in succulent karoo habitat, Richtersveld, Northern Cape, South Africa

Winfried Wisniewski / Quiver Tree (Aloe dichotoma) group at sunset, Namibia

Tim Fitzharris / Aloe (Aloe sp) spines

Murray Cooper / Cape Aloe (Aloe ferox) flowering, South Africa